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42,748

42,748 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.).
Deficient Number

Properties

Parity
Even
Digit count
5
Digit sum
25
Digital root
7
Palindrome
No
Divisor count
6
σ(n) — sum of divisors
74,816

Primality

Prime factorization: 2 2 × 10687

Divisors & multiples

All divisors (6)
1 · 2 · 4 · 10687 · 21374 · 42748
Aliquot sum (sum of proper divisors): 32,068
Factor pairs (a × b = 42,748)
1 × 42748
2 × 21374
4 × 10687
First multiples
42,748 · 85,496 · 128,244 · 170,992 · 213,740 · 256,488 · 299,236 · 341,984 · 384,732 · 427,480

Representations

In words
forty-two thousand seven hundred forty-eight
Ordinal
42748th
Binary
1010011011111100
Octal
123374
Hexadecimal
A6FC

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42748, here are decompositions:

  • 5 + 42743 = 42748
  • 11 + 42737 = 42748
  • 29 + 42719 = 42748
  • 47 + 42701 = 42748
  • 59 + 42689 = 42748
  • 71 + 42677 = 42748
  • 107 + 42641 = 42748
  • 137 + 42611 = 42748

Showing the first eight; more decompositions exist.

Hex color
#00A6FC
RGB(0, 166, 252)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.252.