[go: up one dir, main page]

Search a number
-
+
12930456 = 2337116997
BaseRepresentation
bin110001010100…
…110110011000
3220022221020210
4301110312120
511302233311
61141051120
7214623060
oct61246630
926287223
1012930456
117331930
1243b6aa0
1328a9676
141a083a0
1512063a6
hexc54d98

12930456 has 64 divisors (see below), whose sum is σ = 40308480. Its totient is φ = 3358080.

The previous prime is 12930451. The next prime is 12930461. The reversal of 12930456 is 65403921.

It is an interprime number because it is at equal distance from previous prime (12930451) and next prime (12930461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12930451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651 + ... + 5346.

It is an arithmetic number, because the mean of its divisors is an integer number (629820).

Almost surely, 212930456 is an apocalyptic number.

It is an amenable number.

12930456 is an abundant number, since it is smaller than the sum of its proper divisors (27378024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12930456 is a wasteful number, since it uses less digits than its factorization.

12930456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024 (or 7020 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12930456 is about 3595.8943254773. The cubic root of 12930456 is about 234.7134337031.

The spelling of 12930456 in words is "twelve million, nine hundred thirty thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 6997 13994 20991 27988 41982 48979 55976 76967 83964 97958 146937 153934 167928 195916 230901 293874 307868 391832 461802 538769 587748 615736 923604 1077538 1175496 1616307 1847208 2155076 3232614 4310152 6465228 12930456