Live analysis

31,455,704

31,455,704 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.).

31,455,704 (thirty-one million four hundred fifty-five thousand seven hundred four) is an even 8-digit number. It is a composite number with 32 divisors, and factors as 2³ × 7 × 43 × 13,063. Its proper divisors sum to 37,522,216, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DFF9D8.

Abundant Number Arithmetic Number Evil Number Semiperfect Number

Interestingness

★ ☆ ☆ ☆ ☆

2 notable facts · grade F

31,455,692 31,455,693 31,455,694 31,455,695 31,455,696 31,455,697 31,455,698 31,455,699 31,455,700 31,455,701 31,455,702 31,455,703 31,455,704 31,455,705 31,455,706 31,455,707 31,455,708 31,455,709 31,455,710 31,455,711 31,455,712 31,455,713 31,455,714 31,455,715 31,455,716

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Properties

Parity: Even
Digit count: 8
Digit sum: 29
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 25 bits
Reversed: 40,755,413
Square (n²): 989,461,314,135,616
Divisor count: 32
σ(n) — sum of divisors: 68,977,920
φ(n) — Euler's totient: 13,166,496
Sum of prime factors: 13,119

Primality

Prime factorization: 2 ³ × 7 × 43 × 13063

Nearest primes: 31,455,703 (−1) · 31,455,713 (+9)

Divisors & multiples

All divisors (32)

1 · 2 · 4 · 7 · 8 · 14 · 28 · 43 · 56 · 86 · 172 · 301 · 344 · 602 · 1204 · 2408 · 13063 · 26126 · 52252 · 91441 · 104504 · 182882 · 365764 · 561709 · 731528 · 1123418 · 2246836 · 3931963 · 4493672 · 7863926 · 15727852 (half) · 31455704

Aliquot sum (sum of proper divisors): 37,522,216

Factor pairs (a × b = 31,455,704)

1 × 31455704

2 × 15727852

4 × 7863926

7 × 4493672

8 × 3931963

14 × 2246836

28 × 1123418

43 × 731528

56 × 561709

86 × 365764

172 × 182882

301 × 104504

344 × 91441

602 × 52252

1204 × 26126

2408 × 13063

First multiples

31,455,704 · 62,911,408 (double) · 94,367,112 · 125,822,816 · 157,278,520 · 188,734,224 · 220,189,928 · 251,645,632 · 283,101,336 · 314,557,040

Sums & aliquot sequence

As consecutive integers: 4,493,669 + 4,493,670 + … + 4,493,675 1,965,974 + 1,965,975 + … + 1,965,989 731,507 + 731,508 + … + 731,549 280,799 + 280,800 + … + 280,910

Aliquot sequence: 31,455,704 → 37,522,216 → 35,154,584 → 30,760,276 → 26,503,700 → 31,009,546 → 15,504,776 → 19,259,524 → 14,444,650 → 14,865,974 → 7,432,990 → 7,380,290 → 5,904,250 → 6,900,230 → 6,750,970 → 5,400,794 → 3,857,734 — unresolved within range

Continued fraction of √n

√31,455,704 = [5608; (1, 1, 5, 1, 203, 9, 1, 13, 2, 1, 1, 3, 9, 65, 9, 3, 1, 1, 2, 13, 1, 9, 203, 1, …)]

Period length 28 — the block in parentheses repeats forever.

Representations

In words: thirty-one million four hundred fifty-five thousand seven hundred four
Ordinal: 31455704th
Binary: 1110111111111100111011000
Octal: 167774730
Hexadecimal: 0x1DFF9D8
Base64: Ad/52A==
One's complement: 4,263,511,591 (32-bit)
Scientific notation: 3.1455704 × 10⁷
As a duration: 31,455,704 s = 364 days, 1 hour, 41 minutes, 44 seconds

In other bases

ternary (3) 2012012010010002

quaternary (4) 1313333213120

quinary (5) 31023040304

senary (6) 3042112132

septenary (7) 531240410

nonary (9) 65163102

undecimal (11) 16835155

duodecimal (12) a64b648

tridecimal (13) 6694757

tetradecimal (14) 426b640

pentadecimal (15) 2b6531e

As an angle

31,455,704° = 87,376 × 360° + 344°

344° ≈ 6.004 rad

Compass bearing: NNW (north-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Chinese: 三千一百四十五萬五千七百零四
Chinese (financial): 參仟壹佰肆拾伍萬伍仟柒佰零肆

In other modern scripts

Eastern Arabic ٣١٤٥٥٧٠٤ Devanagari ३१४५५७०४ Bengali ৩১৪৫৫৭০৪ Tamil ௩௧௪௫௫௭௦௪ Thai ๓๑๔๕๕๗๐๔ Tibetan ༣༡༤༥༥༧༠༤ Khmer ៣១៤៥៥៧០៤ Lao ໓໑໔໕໕໗໐໔ Burmese ၃၁၄၅၅၇၀၄

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 31455704, here are decompositions:

3 + 31455701 = 31455704
67 + 31455637 = 31455704
73 + 31455631 = 31455704
271 + 31455433 = 31455704
277 + 31455427 = 31455704
307 + 31455397 = 31455704
337 + 31455367 = 31455704
433 + 31455271 = 31455704

Showing the first eight; more decompositions exist.

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 1.223.249.216.

Address: 1.223.249.216
Class: public
IPv4-mapped IPv6: ::ffff:1.223.249.216

Public, routable address (assignable to a host on the internet).