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51112356 = 22319224177
BaseRepresentation
bin1100001011111…
…0100110100100
310120011202222020
43002332212210
5101041043411
65023303140
71160306421
oct302764644
9116152866
1051112356
1126940519
121514aab0
13a7877c9
146b06d48
154749606
hex30be9a4

51112356 has 24 divisors (see below), whose sum is σ = 125539680. Its totient is φ = 16140672.

The previous prime is 51112339. The next prime is 51112367. The reversal of 51112356 is 65321115.

51112356 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 2×511123562 = 5224945871741472, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 111861 + ... + 112316.

It is an arithmetic number, because the mean of its divisors is an integer number (5230820).

Almost surely, 251112356 is an apocalyptic number.

It is an amenable number.

51112356 is an abundant number, since it is smaller than the sum of its proper divisors (74427324).

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

51112356 is a wasteful number, since it uses less digits than its factorization.

51112356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224203 (or 224201 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 51112356 is about 7149.2905941779. The cubic root of 51112356 is about 371.1151068158.

The spelling of 51112356 in words is "fifty-one million, one hundred twelve thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 224177 448354 672531 896708 1345062 2690124 4259363 8518726 12778089 17037452 25556178 51112356