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1,043,520

1,043,520 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.).

1,043,520 (one million forty-three thousand five hundred twenty) is an even 7-digit number. It is a composite number with 56 divisors, and factors as 2⁶ × 3 × 5 × 1,087. Its proper divisors sum to 2,272,704, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFEC40.

Abundant Number Evil Number Gapful Number Harshad / Niven Practical Number Self Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
253,401
Square (n²)
1,088,933,990,400
Cube (n³)
1,136,324,397,662,208,000
Divisor count
56
σ(n) — sum of divisors
3,316,224
φ(n) — Euler's totient
278,016
Sum of prime factors
1,107

Primality

Prime factorization: 2 6 × 3 × 5 × 1087

Nearest primes: 1,043,513 (−7) · 1,043,521 (+1)

Divisors & multiples

All divisors (56)
1 · 2 · 3 · 4 · 5 · 6 · 8 · 10 · 12 · 15 · 16 · 20 · 24 · 30 · 32 · 40 · 48 · 60 · 64 · 80 · 96 · 120 · 160 · 192 · 240 · 320 · 480 · 960 · 1087 · 2174 · 3261 · 4348 · 5435 · 6522 · 8696 · 10870 · 13044 · 16305 · 17392 · 21740 · 26088 · 32610 · 34784 · 43480 · 52176 · 65220 · 69568 · 86960 · 104352 · 130440 · 173920 · 208704 · 260880 · 347840 · 521760 (half) · 1043520
Aliquot sum (sum of proper divisors): 2,272,704
Factor pairs (a × b = 1,043,520)
1 × 1043520
2 × 521760
3 × 347840
4 × 260880
5 × 208704
6 × 173920
8 × 130440
10 × 104352
12 × 86960
15 × 69568
16 × 65220
20 × 52176
24 × 43480
30 × 34784
32 × 32610
40 × 26088
48 × 21740
60 × 17392
64 × 16305
80 × 13044
96 × 10870
120 × 8696
160 × 6522
192 × 5435
240 × 4348
320 × 3261
480 × 2174
960 × 1087
First multiples
1,043,520 · 2,087,040 (double) · 3,130,560 · 4,174,080 · 5,217,600 · 6,261,120 · 7,304,640 · 8,348,160 · 9,391,680 · 10,435,200

Sums & aliquot sequence

As consecutive integers: 347,839 + 347,840 + 347,841 208,702 + 208,703 + 208,704 + 208,705 + 208,706 69,561 + 69,562 + … + 69,575 8,089 + 8,090 + … + 8,216
Aliquot sequence: 1,043,520 2,272,704 5,042,496 8,299,616 9,608,512 10,874,048 10,885,624 10,754,696 9,410,374 4,898,222 3,549,490 3,752,462 3,019,378 1,584,122 792,064 1,270,304 1,669,024 — unresolved within range

Continued fraction of √n

√1,043,520 = [1021; (1, 1, 8, 2, 1, 9, 2, 16, 2, 2, 3, 1, 8, 13, 1, 40, 1, 3, 3, 1, 2, 5, 1, 2, …)]

Representations

In words
one million forty-three thousand five hundred twenty
Ordinal
1043520th
Binary
11111110110001000000
Octal
3766100
Hexadecimal
0xFEC40
Base64
D+xA
One's complement
4,293,923,775 (32-bit)
Scientific notation
1.04352 × 10⁶
As a duration
1,043,520 s = 12 days, 1 hour, 52 minutes
In other bases
ternary (3) 1222000102220
quaternary (4) 3332301000
quinary (5) 231343040
senary (6) 34211040
septenary (7) 11604222
nonary (9) 1860386
undecimal (11) 653015
duodecimal (12) 423a80
tridecimal (13) 2a6c8a
tetradecimal (14) 1d2412
pentadecimal (15) 1592d0

As an angle

1,043,520° = 2,898 × 360° + 240°
240° ≈ 4.189 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 ·
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆
Chinese
一百零四萬三千五百二十
Chinese (financial)
壹佰零肆萬參仟伍佰貳拾
In other modern scripts
Eastern Arabic ١٠٤٣٥٢٠ Devanagari १०४३५२० Bengali ১০৪৩৫২০ Tamil ௧௦௪௩௫௨௦ Thai ๑๐๔๓๕๒๐ Tibetan ༡༠༤༣༥༢༠ Khmer ១០៤៣៥២០ Lao ໑໐໔໓໕໒໐ Burmese ၁၀၄၃၅၂၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1043520, here are decompositions:

  • 7 + 1043513 = 1043520
  • 19 + 1043501 = 1043520
  • 31 + 1043489 = 1043520
  • 41 + 1043479 = 1043520
  • 53 + 1043467 = 1043520
  • 67 + 1043453 = 1043520
  • 151 + 1043369 = 1043520
  • 197 + 1043323 = 1043520

Showing the first eight; more decompositions exist.

Hex color
#0FEC40
RGB(15, 236, 64)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.236.64.

Address
0.15.236.64
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.236.64

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 4, 3520 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 3520-04-01 (DMMYYYY (Euro, single-digit day))
  • 3520-10-04 (MMDYYYY (US, single-digit day))
  • 3520-04-10 (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 1,043,520 and was likely granted around 1912.

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

Related reading

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