Search a number
-
+
51625106 = 213331379
BaseRepresentation
bin1100010011101…
…1110010010010
310121010211022222
43010323302102
5101204000411
65042301042
71164543341
oct304736222
9117124288
1051625106
1127160785
1215357782
13a907000
146bdbb58
1547eb4db
hex313bc92

51625106 has 32 divisors (see below), whose sum is σ = 86822400. Its totient is φ = 22997520.

The previous prime is 51625099. The next prime is 51625117. The reversal of 51625106 is 60152615.

51625106 = 4962 + 4972 + ... + 6512.

51625106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×516251062 = 5330303139022472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136025 + ... + 136403.

It is an arithmetic number, because the mean of its divisors is an integer number (2713200).

Almost surely, 251625106 is an apocalyptic number.

51625106 is a deficient number, since it is larger than the sum of its proper divisors (35197294).

51625106 is a wasteful number, since it uses less digits than its factorization.

51625106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 51625106 is about 7185.0613080196. The cubic root of 51625106 is about 372.3519667631.

The spelling of 51625106 in words is "fifty-one million, six hundred twenty-five thousand, one hundred six".

Divisors: 1 2 13 26 31 62 169 338 379 403 758 806 2197 4394 4927 5239 9854 10478 11749 23498 64051 68107 128102 136214 152737 305474 832663 1665326 1985581 3971162 25812553 51625106