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1,025,480

1,025,480 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.).

1,025,480 (one million twenty-five thousand four hundred eighty) is an even 7-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5 × 31 × 827. Its proper divisors sum to 1,359,160, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFA5C8.

Abundant Number Arithmetic Number Gapful Number Harshad / Niven Odious Number Pentagonal Pernicious Number Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
20 bits
Reversed
845,201
Square (n²)
1,051,609,230,400
Cube (n³)
1,078,404,233,590,592,000
Divisor count
32
σ(n) — sum of divisors
2,384,640
φ(n) — Euler's totient
396,480
Sum of prime factors
869

Primality

Prime factorization: 2 3 × 5 × 31 × 827

Nearest primes: 1,025,477 (−3) · 1,025,483 (+3)

Divisors & multiples

All divisors (32)
1 · 2 · 4 · 5 · 8 · 10 · 20 · 31 · 40 · 62 · 124 · 155 · 248 · 310 · 620 · 827 · 1240 · 1654 · 3308 · 4135 · 6616 · 8270 · 16540 · 25637 · 33080 · 51274 · 102548 · 128185 · 205096 · 256370 · 512740 (half) · 1025480
Aliquot sum (sum of proper divisors): 1,359,160
Factor pairs (a × b = 1,025,480)
1 × 1025480
2 × 512740
4 × 256370
5 × 205096
8 × 128185
10 × 102548
20 × 51274
31 × 33080
40 × 25637
62 × 16540
124 × 8270
155 × 6616
248 × 4135
310 × 3308
620 × 1654
827 × 1240
First multiples
1,025,480 · 2,050,960 (double) · 3,076,440 · 4,101,920 · 5,127,400 · 6,152,880 · 7,178,360 · 8,203,840 · 9,229,320 · 10,254,800

Sums & aliquot sequence

As consecutive integers: 205,094 + 205,095 + 205,096 + 205,097 + 205,098 64,085 + 64,086 + … + 64,100 33,065 + 33,066 + … + 33,095 12,779 + 12,780 + … + 12,858
Aliquot sequence: 1,025,480 1,359,160 1,978,040 2,472,640 3,416,096 3,309,406 1,654,706 838,378 419,192 380,608 416,952 712,488 1,323,672 2,458,728 4,371,672 7,133,928 10,700,952 — unresolved within range

Continued fraction of √n

√1,025,480 = [1012; (1, 1, 1, 15, 1, 1, 1, 2024)]

Period length 8 — the block in parentheses repeats forever.

Representations

In words
one million twenty-five thousand four hundred eighty
Ordinal
1025480th
Binary
11111010010111001000
Octal
3722710
Hexadecimal
0xFA5C8
Base64
D6XI
One's complement
4,293,941,815 (32-bit)
Scientific notation
1.02548 × 10⁶
As a duration
1,025,480 s = 11 days, 20 hours, 51 minutes, 20 seconds
In other bases
ternary (3) 1221002200202
quaternary (4) 3322113020
quinary (5) 230303410
senary (6) 33551332
septenary (7) 11500511
nonary (9) 1832622
undecimal (11) 640505
duodecimal (12) 415548
tridecimal (13) 29b9c1
tetradecimal (14) 1c9a08
pentadecimal (15) 153ca5
Palindromic in base 7

As an angle

1,025,480° = 2,848 × 360° + 200°
200° ≈ 3.491 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Chinese
一百零二萬五千四百八十
Chinese (financial)
壹佰零貳萬伍仟肆佰捌拾
In other modern scripts
Eastern Arabic ١٠٢٥٤٨٠ Devanagari १०२५४८० Bengali ১০২৫৪৮০ Tamil ௧௦௨௫௪௮௦ Thai ๑๐๒๕๔๘๐ Tibetan ༡༠༢༥༤༨༠ Khmer ១០២៥៤៨០ Lao ໑໐໒໕໔໘໐ Burmese ၁၀၂၅၄၈၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1025480, here are decompositions:

  • 3 + 1025477 = 1025480
  • 37 + 1025443 = 1025480
  • 61 + 1025419 = 1025480
  • 67 + 1025413 = 1025480
  • 73 + 1025407 = 1025480
  • 97 + 1025383 = 1025480
  • 199 + 1025281 = 1025480
  • 223 + 1025257 = 1025480

Showing the first eight; more decompositions exist.

Hex color
#0FA5C8
RGB(15, 165, 200)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.165.200.

Address
0.15.165.200
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.165.200

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 2, 5480 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 5480-02-01 (DMMYYYY (Euro, single-digit day))
  • 5480-10-02 (MMDYYYY (US, single-digit day))
  • 5480-02-10 (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 1,025,480 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°.