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1,002,720

1,002,720 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.).

1,002,720 (one million two thousand seven hundred twenty) is an even 7-digit number. It is a composite number with 48 divisors, and factors as 2⁵ × 3 × 5 × 2,089. Its proper divisors sum to 2,157,360, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF4CE0.

Abundant Number Arithmetic Number Evil Number Gapful Number Harshad / Niven Refactorable Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
272,001
Square (n²)
1,005,447,398,400
Cube (n³)
1,008,182,215,323,648,000
Divisor count
48
σ(n) — sum of divisors
3,160,080
φ(n) — Euler's totient
267,264
Sum of prime factors
2,107

Primality

Prime factorization: 2 5 × 3 × 5 × 2089

Nearest primes: 1,002,719 (−1) · 1,002,721 (+1)

Divisors & multiples

All divisors (48)
1 · 2 · 3 · 4 · 5 · 6 · 8 · 10 · 12 · 15 · 16 · 20 · 24 · 30 · 32 · 40 · 48 · 60 · 80 · 96 · 120 · 160 · 240 · 480 · 2089 · 4178 · 6267 · 8356 · 10445 · 12534 · 16712 · 20890 · 25068 · 31335 · 33424 · 41780 · 50136 · 62670 · 66848 · 83560 · 100272 · 125340 · 167120 · 200544 · 250680 · 334240 · 501360 (half) · 1002720
Aliquot sum (sum of proper divisors): 2,157,360
Factor pairs (a × b = 1,002,720)
1 × 1002720
2 × 501360
3 × 334240
4 × 250680
5 × 200544
6 × 167120
8 × 125340
10 × 100272
12 × 83560
15 × 66848
16 × 62670
20 × 50136
24 × 41780
30 × 33424
32 × 31335
40 × 25068
48 × 20890
60 × 16712
80 × 12534
96 × 10445
120 × 8356
160 × 6267
240 × 4178
480 × 2089
First multiples
1,002,720 · 2,005,440 (double) · 3,008,160 · 4,010,880 · 5,013,600 · 6,016,320 · 7,019,040 · 8,021,760 · 9,024,480 · 10,027,200

Sums & aliquot sequence

As consecutive integers: 334,239 + 334,240 + 334,241 200,542 + 200,543 + 200,544 + 200,545 + 200,546 66,841 + 66,842 + … + 66,855 15,636 + 15,637 + … + 15,699
Aliquot sequence: 1,002,720 2,157,360 4,672,560 9,813,120 23,234,880 50,538,912 91,129,440 195,929,808 310,222,320 651,467,616 1,087,634,784 1,917,676,896 3,160,801,488 5,640,537,968 6,149,592,832 6,169,398,944 6,315,990,952 — unresolved within range

Continued fraction of √n

√1,002,720 = [1001; (2, 1, 3, 1, 1, 1, 5, 1, 3, 1, 27, 2, 2, 2, 1, 1, 3, 1, 1, 2, 2, 2, 27, 1, …)]

Period length 34 — the block in parentheses repeats forever.

Representations

In words
one million two thousand seven hundred twenty
Ordinal
1002720th
Binary
11110100110011100000
Octal
3646340
Hexadecimal
0xF4CE0
Base64
D0zg
One's complement
4,293,964,575 (32-bit)
Scientific notation
1.00272 × 10⁶
As a duration
1,002,720 s = 11 days, 14 hours, 32 minutes
In other bases
ternary (3) 1212221110210
quaternary (4) 3310303200
quinary (5) 224041340
senary (6) 33254120
septenary (7) 11344245
nonary (9) 1787423
undecimal (11) 6253a4
duodecimal (12) 404340
tridecimal (13) 291534
tetradecimal (14) 1c15cc
pentadecimal (15) 14c180

As an angle

1,002,720° = 2,785 × 360° + 120°
120° ≈ 2.094 rad
Compass bearing: ESE (east-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 ·
Egyptian hieroglyphic
𓁨𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
Chinese
一百萬二千七百二十
Chinese (financial)
壹佰萬貳仟柒佰貳拾
In other modern scripts
Eastern Arabic ١٠٠٢٧٢٠ Devanagari १००२७२० Bengali ১০০২৭২০ Tamil ௧௦௦௨௭௨௦ Thai ๑๐๐๒๗๒๐ Tibetan ༡༠༠༢༧༢༠ Khmer ១០០២៧២០ Lao ໑໐໐໒໗໒໐ Burmese ၁၀၀၂၇၂၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1002720, here are decompositions:

  • 7 + 1002713 = 1002720
  • 11 + 1002709 = 1002720
  • 41 + 1002679 = 1002720
  • 67 + 1002653 = 1002720
  • 73 + 1002647 = 1002720
  • 97 + 1002623 = 1002720
  • 101 + 1002619 = 1002720
  • 137 + 1002583 = 1002720

Showing the first eight; more decompositions exist.

Hex color
#0F4CE0
RGB(15, 76, 224)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.76.224.

Address
0.15.76.224
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.76.224

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 1,002,720 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°.