number.wiki
Number

48

48 is a composite number, even, a calendar year.

Abundant Number Harshad / Niven Year

Properties

Parity
Even
Digit count
2
Digit sum
12
Digital root
3
Palindrome
No
Divisor count
10
σ(n) — sum of divisors
124

Primality

Prime factorization: 2 4 × 3

Divisors & multiples

All divisors (10)
1 · 2 · 3 · 4 · 6 · 8 · 12 · 16 · 24 · 48
Aliquot sum (sum of proper divisors): 76
Factor pairs (a × b = 48)
1 × 48
2 × 24
3 × 16
4 × 12
6 × 8
First multiples
48 · 96 · 144 · 192 · 240 · 288 · 336 · 384 · 432 · 480

Representations

In words
forty-eight
Ordinal
48th
Roman numeral
XLVIII
Binary
110000
Octal
60
Hexadecimal
30

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 48, here are decompositions:

  • 5 + 43 = 48
  • 7 + 41 = 48
  • 11 + 37 = 48
  • 17 + 31 = 48
  • 19 + 29 = 48
ASCII character

As an ASCII codepoint, 48 is 0. Printable ASCII character 0.

Hex color
#000030
RGB(0, 0, 48)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.48.