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77,140

77,140 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
19
Digital root
1
Palindrome
No
Divisor count
48
σ(n) — sum of divisors
201,600

Primality

Prime factorization: 2 2 × 5 × 7 × 19 × 29

Divisors & multiples

All divisors (48)
1 · 2 · 4 · 5 · 7 · 10 · 14 · 19 · 20 · 28 · 29 · 35 · 38 · 58 · 70 · 76 · 95 · 116 · 133 · 140 · 145 · 190 · 203 · 266 · 290 · 380 · 406 · 532 · 551 · 580 · 665 · 812 · 1015 · 1102 · 1330 · 2030 · 2204 · 2660 · 2755 · 3857 · 4060 · 5510 · 7714 · 11020 · 15428 · 19285 · 38570 · 77140
Aliquot sum (sum of proper divisors): 124,460
Factor pairs (a × b = 77,140)
1 × 77140
2 × 38570
4 × 19285
5 × 15428
7 × 11020
10 × 7714
14 × 5510
19 × 4060
20 × 3857
28 × 2755
29 × 2660
35 × 2204
38 × 2030
58 × 1330
70 × 1102
76 × 1015
95 × 812
116 × 665
133 × 580
140 × 551
145 × 532
190 × 406
203 × 380
266 × 290
First multiples
77,140 · 154,280 · 231,420 · 308,560 · 385,700 · 462,840 · 539,980 · 617,120 · 694,260 · 771,400

Representations

In words
seventy-seven thousand one hundred forty
Ordinal
77140th
Binary
10010110101010100
Octal
226524
Hexadecimal
12D54

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 77140, here are decompositions:

  • 3 + 77137 = 77140
  • 47 + 77093 = 77140
  • 59 + 77081 = 77140
  • 71 + 77069 = 77140
  • 137 + 77003 = 77140
  • 149 + 76991 = 77140
  • 179 + 76961 = 77140
  • 191 + 76949 = 77140

Showing the first eight; more decompositions exist.

Hex color
#012D54
RGB(1, 45, 84)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.45.84.