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1,022,724

1,022,724 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.).

1,022,724 (one million twenty-two thousand seven hundred twenty-four) is an even 7-digit number. It is a composite number with 18 divisors, and factors as 2² × 3² × 28,409. Its proper divisors sum to 1,562,586, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF9B04.

Abundant Number Cube-Free Evil Number Harshad / Niven Refactorable Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
4,272,201
Square (n²)
1,045,964,380,176
Cube (n³)
1,069,732,874,751,119,424
Divisor count
18
σ(n) — sum of divisors
2,585,310
φ(n) — Euler's totient
340,896
Sum of prime factors
28,419

Primality

Prime factorization: 2 2 × 3 2 × 28409

Nearest primes: 1,022,719 (−5) · 1,022,729 (+5)

Divisors & multiples

All divisors (18)
1 · 2 · 3 · 4 · 6 · 9 · 12 · 18 · 36 · 28409 · 56818 · 85227 · 113636 · 170454 · 255681 · 340908 · 511362 (half) · 1022724
Aliquot sum (sum of proper divisors): 1,562,586
Factor pairs (a × b = 1,022,724)
1 × 1022724
2 × 511362
3 × 340908
4 × 255681
6 × 170454
9 × 113636
12 × 85227
18 × 56818
36 × 28409
First multiples
1,022,724 · 2,045,448 (double) · 3,068,172 · 4,090,896 · 5,113,620 · 6,136,344 · 7,159,068 · 8,181,792 · 9,204,516 · 10,227,240

Sums & aliquot sequence

As a sum of two squares: 318² + 960²
As consecutive integers: 340,907 + 340,908 + 340,909 127,837 + 127,838 + … + 127,844 113,632 + 113,633 + … + 113,640 42,602 + 42,603 + … + 42,625
Aliquot sequence: 1,022,724 1,562,586 1,678,566 1,678,578 2,114,382 2,304,978 2,835,822 3,351,570 4,866,798 4,894,098 6,156,462 7,103,778 8,819,742 8,819,754 8,849,238 8,849,250 18,332,190 — unresolved within range

Continued fraction of √n

√1,022,724 = [1011; (3, 2, 1, 4, 1, 3, 1, 1, 2, 1, 20, 1, 1, 2, 1, 154, 1, 6, 1, 1, 1, 3, 3, 27, …)]

Representations

In words
one million twenty-two thousand seven hundred twenty-four
Ordinal
1022724th
Binary
11111001101100000100
Octal
3715404
Hexadecimal
0xF9B04
Base64
D5sE
One's complement
4,293,944,571 (32-bit)
Scientific notation
1.022724 × 10⁶
As a duration
1,022,724 s = 11 days, 20 hours, 5 minutes, 24 seconds
In other bases
ternary (3) 1220221220200
quaternary (4) 3321230010
quinary (5) 230211344
senary (6) 33530500
septenary (7) 11456463
nonary (9) 1827820
undecimal (11) 63942a
duodecimal (12) 413a30
tridecimal (13) 29a681
tetradecimal (14) 1c89da
pentadecimal (15) 153069

As an angle

1,022,724° = 2,840 × 360° + 324°
324° ≈ 5.655 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺
Chinese
一百零二萬二千七百二十四
Chinese (financial)
壹佰零貳萬貳仟柒佰貳拾肆
In other modern scripts
Eastern Arabic ١٠٢٢٧٢٤ Devanagari १०२२७२४ Bengali ১০২২৭২৪ Tamil ௧௦௨௨௭௨௪ Thai ๑๐๒๒๗๒๔ Tibetan ༡༠༢༢༧༢༤ Khmer ១០២២៧២៤ Lao ໑໐໒໒໗໒໔ Burmese ၁၀၂၂၇၂၄

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1022724, here are decompositions:

  • 5 + 1022719 = 1022724
  • 23 + 1022701 = 1022724
  • 41 + 1022683 = 1022724
  • 47 + 1022677 = 1022724
  • 71 + 1022653 = 1022724
  • 113 + 1022611 = 1022724
  • 151 + 1022573 = 1022724
  • 193 + 1022531 = 1022724

Showing the first eight; more decompositions exist.

Hex color
#0F9B04
RGB(15, 155, 4)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.155.4.

Address
0.15.155.4
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.155.4

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 2, 2724 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2724-02-01 (DMMYYYY (Euro, single-digit day))
  • 2724-10-02 (MMDYYYY (US, single-digit day))
  • 2724-02-10 (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 1,022,724 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°.