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1,024,400

1,024,400 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,024,400 (one million twenty-four thousand four hundred) is an even 7-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 5² × 13 × 197. Its proper divisors sum to 1,639,492, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFA190.

Abundant Number Gapful Number Odious Number Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
11
Digit product
0
Digital root
2
Palindrome
No
Bit width
20 bits
Reversed
44,201
Square (n²)
1,049,395,360,000
Cube (n³)
1,075,000,606,784,000,000
Divisor count
60
σ(n) — sum of divisors
2,663,892
φ(n) — Euler's totient
376,320
Sum of prime factors
228

Primality

Prime factorization: 2 4 × 5 2 × 13 × 197

Nearest primes: 1,024,399 (−1) · 1,024,411 (+11)

Divisors & multiples

All divisors (60)
1 · 2 · 4 · 5 · 8 · 10 · 13 · 16 · 20 · 25 · 26 · 40 · 50 · 52 · 65 · 80 · 100 · 104 · 130 · 197 · 200 · 208 · 260 · 325 · 394 · 400 · 520 · 650 · 788 · 985 · 1040 · 1300 · 1576 · 1970 · 2561 · 2600 · 3152 · 3940 · 4925 · 5122 · 5200 · 7880 · 9850 · 10244 · 12805 · 15760 · 19700 · 20488 · 25610 · 39400 · 40976 · 51220 · 64025 · 78800 · 102440 · 128050 · 204880 · 256100 · 512200 (half) · 1024400
Aliquot sum (sum of proper divisors): 1,639,492
Factor pairs (a × b = 1,024,400)
1 × 1024400
2 × 512200
4 × 256100
5 × 204880
8 × 128050
10 × 102440
13 × 78800
16 × 64025
20 × 51220
25 × 40976
26 × 39400
40 × 25610
50 × 20488
52 × 19700
65 × 15760
80 × 12805
100 × 10244
104 × 9850
130 × 7880
197 × 5200
200 × 5122
208 × 4925
260 × 3940
325 × 3152
394 × 2600
400 × 2561
520 × 1970
650 × 1576
788 × 1300
985 × 1040
First multiples
1,024,400 · 2,048,800 (double) · 3,073,200 · 4,097,600 · 5,122,000 · 6,146,400 · 7,170,800 · 8,195,200 · 9,219,600 · 10,244,000

Sums & aliquot sequence

As a sum of two squares: 16² + 1,012² = 128² + 1,004² = 268² + 976² = 404² + 928²
As consecutive integers: 204,878 + 204,879 + 204,880 + 204,881 + 204,882 78,794 + 78,795 + … + 78,806 40,964 + 40,965 + … + 40,988 31,997 + 31,998 + … + 32,028
Aliquot sequence: 1,024,400 1,639,492 1,278,668 1,083,412 985,004 738,760 1,179,320 1,474,240 2,256,512 2,597,158 1,527,794 763,900 893,980 983,420 1,081,804 811,360 1,284,272 — unresolved within range

Continued fraction of √n

√1,024,400 = [1012; (7, 1, 9, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 6, 7, 1, 3, 126, 3, 1, 7, 6, 2, …)]

Period length 38 — the block in parentheses repeats forever.

Representations

In words
one million twenty-four thousand four hundred
Ordinal
1024400th
Binary
11111010000110010000
Octal
3720620
Hexadecimal
0xFA190
Base64
D6GQ
One's complement
4,293,942,895 (32-bit)
Scientific notation
1.0244 × 10⁶
As a duration
1,024,400 s = 11 days, 20 hours, 33 minutes, 20 seconds
In other bases
ternary (3) 1221001012202
quaternary (4) 3322012100
quinary (5) 230240100
senary (6) 33542332
septenary (7) 11464406
nonary (9) 1831182
undecimal (11) 63a713
duodecimal (12) 4149a8
tridecimal (13) 29b370
tetradecimal (14) 1c9476
pentadecimal (15) 1537d5

As an angle

1,024,400° = 2,845 × 360° + 200°
200° ≈ 3.491 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢
Chinese
一百零二萬四千四百
Chinese (financial)
壹佰零貳萬肆仟肆佰
In other modern scripts
Eastern Arabic ١٠٢٤٤٠٠ Devanagari १०२४४०० Bengali ১০২৪৪০০ Tamil ௧௦௨௪௪௦௦ Thai ๑๐๒๔๔๐๐ Tibetan ༡༠༢༤༤༠༠ Khmer ១០២៤៤០០ Lao ໑໐໒໔໔໐໐ Burmese ၁၀၂၄၄၀၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1024400, here are decompositions:

  • 43 + 1024357 = 1024400
  • 61 + 1024339 = 1024400
  • 73 + 1024327 = 1024400
  • 79 + 1024321 = 1024400
  • 151 + 1024249 = 1024400
  • 193 + 1024207 = 1024400
  • 211 + 1024189 = 1024400
  • 229 + 1024171 = 1024400

Showing the first eight; more decompositions exist.

Hex color
#0FA190
RGB(15, 161, 144)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.161.144.

Address
0.15.161.144
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.161.144

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 2, 4400 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 4400-02-01 (DMMYYYY (Euro, single-digit day))
  • 4400-10-02 (MMDYYYY (US, single-digit day))
  • 4400-02-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,024,400 and was likely granted around 1912.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Position in π

The digit sequence 1024400 first appears in π at position 173,327 of the decimal expansion (the 173,327ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.