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1,000,520

1,000,520 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.).

1,000,520 (one million five hundred twenty) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 25,013. Its proper divisors sum to 1,250,740, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF4448.

Abundant Number Evil Number Gapful Number Harshad / Niven Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
8
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
250,001
Square (n²)
1,001,040,270,400
Cube (n³)
1,001,560,811,340,608,000
Divisor count
16
σ(n) — sum of divisors
2,251,260
φ(n) — Euler's totient
400,192
Sum of prime factors
25,024

Primality

Prime factorization: 2 3 × 5 × 25013

Nearest primes: 1,000,507 (−13) · 1,000,537 (+17)

Divisors & multiples

All divisors (16)
1 · 2 · 4 · 5 · 8 · 10 · 20 · 40 · 25013 · 50026 · 100052 · 125065 · 200104 · 250130 · 500260 (half) · 1000520
Aliquot sum (sum of proper divisors): 1,250,740
Factor pairs (a × b = 1,000,520)
1 × 1000520
2 × 500260
4 × 250130
5 × 200104
8 × 125065
10 × 100052
20 × 50026
40 × 25013
First multiples
1,000,520 · 2,001,040 (double) · 3,001,560 · 4,002,080 · 5,002,600 · 6,003,120 · 7,003,640 · 8,004,160 · 9,004,680 · 10,005,200

Sums & aliquot sequence

As a sum of two squares: 274² + 962² = 358² + 934²
As consecutive integers: 200,102 + 200,103 + 200,104 + 200,105 + 200,106 62,525 + 62,526 + … + 62,540 12,467 + 12,468 + … + 12,546
Aliquot sequence: 1,000,520 1,250,740 1,491,020 1,640,164 1,362,164 1,021,630 926,042 569,914 284,960 445,336 389,684 310,960 505,952 506,584 516,536 451,984 532,328 — unresolved within range

Continued fraction of √n

√1,000,520 = [1000; (3, 1, 5, 1, 1, 11, 3, 2, 1, 3, 7, 8, 1, 21, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, …)]

Representations

In words
one million five hundred twenty
Ordinal
1000520th
Binary
11110100010001001000
Octal
3642110
Hexadecimal
0xF4448
Base64
D0RI
One's complement
4,293,966,775 (32-bit)
Scientific notation
1.00052 × 10⁶
As a duration
1,000,520 s = 11 days, 13 hours, 55 minutes, 20 seconds
In other bases
ternary (3) 1212211110022
quaternary (4) 3310101020
quinary (5) 224004040
senary (6) 33240012
septenary (7) 11334653
nonary (9) 1784408
undecimal (11) 623784
duodecimal (12) 403008
tridecimal (13) 290531
tetradecimal (14) 1c089a
pentadecimal (15) 14b6b5

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓁨𓍢𓍢𓍢𓍢𓍢𓎆𓎆
Chinese
一百萬零五百二十
Chinese (financial)
壹佰萬零伍佰貳拾
In other modern scripts
Eastern Arabic ١٠٠٠٥٢٠ Devanagari १०००५२० Bengali ১০০০৫২০ Tamil ௧௦௦௦௫௨௦ Thai ๑๐๐๐๕๒๐ Tibetan ༡༠༠༠༥༢༠ Khmer ១០០០៥២០ Lao ໑໐໐໐໕໒໐ Burmese ၁၀၀၀၅၂၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1000520, here are decompositions:

  • 13 + 1000507 = 1000520
  • 67 + 1000453 = 1000520
  • 97 + 1000423 = 1000520
  • 127 + 1000393 = 1000520
  • 139 + 1000381 = 1000520
  • 163 + 1000357 = 1000520
  • 229 + 1000291 = 1000520
  • 271 + 1000249 = 1000520

Showing the first eight; more decompositions exist.

Hex color
#0F4448
RGB(15, 68, 72)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.68.72.

Address
0.15.68.72
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.68.72

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

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 1,000,520 and was likely granted around 1911.

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°.