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25,320

25,320 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.).
Abundant Number Harshad / Niven

Properties

Parity
Even
Digit count
5
Digit sum
12
Digital root
3
Palindrome
No
Divisor count
32
σ(n) — sum of divisors
76,320

Primality

Prime factorization: 2 3 × 3 × 5 × 211

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 4 · 5 · 6 · 8 · 10 · 12 · 15 · 20 · 24 · 30 · 40 · 60 · 120 · 211 · 422 · 633 · 844 · 1055 · 1266 · 1688 · 2110 · 2532 · 3165 · 4220 · 5064 · 6330 · 8440 · 12660 · 25320
Aliquot sum (sum of proper divisors): 51,000
Factor pairs (a × b = 25,320)
1 × 25320
2 × 12660
3 × 8440
4 × 6330
5 × 5064
6 × 4220
8 × 3165
10 × 2532
12 × 2110
15 × 1688
20 × 1266
24 × 1055
30 × 844
40 × 633
60 × 422
120 × 211
First multiples
25,320 · 50,640 · 75,960 · 101,280 · 126,600 · 151,920 · 177,240 · 202,560 · 227,880 · 253,200

Representations

In words
twenty-five thousand three hundred twenty
Ordinal
25320th
Binary
110001011101000
Octal
61350
Hexadecimal
62E8

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 25320, here are decompositions:

  • 11 + 25309 = 25320
  • 13 + 25307 = 25320
  • 17 + 25303 = 25320
  • 19 + 25301 = 25320
  • 59 + 25261 = 25320
  • 67 + 25253 = 25320
  • 73 + 25247 = 25320
  • 83 + 25237 = 25320

Showing the first eight; more decompositions exist.

Unicode codepoint
U+62E8
Other letter (Lo)

UTF-8 encoding: E6 8B A8 (3 bytes).

Hex color
#0062E8
RGB(0, 98, 232)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.98.232.