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51136092 = 22327202921
BaseRepresentation
bin1100001100010…
…0011001011100
310120012222112100
43003010121130
5101042323332
65024005100
71160435550
oct303043134
9116188470
1051136092
1126957337
1215160790
13a795557
146b11860
15475167c
hex30c465c

51136092 has 36 divisors (see below), whose sum is σ = 147727216. Its totient is φ = 14610240.

The previous prime is 51136027. The next prime is 51136097. The reversal of 51136092 is 29063115.

51136092 is a `hidden beast` number, since 51 + 1 + 3 + 609 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×511360922 = 5229799810064928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51136097) 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 11 ways as a sum of consecutive naturals, for example, 101209 + ... + 101712.

Almost surely, 251136092 is an apocalyptic number.

It is an amenable number.

51136092 is an abundant number, since it is smaller than the sum of its proper divisors (96591124).

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

51136092 is a wasteful number, since it uses less digits than its factorization.

51136092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202938 (or 202933 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 51136092 is about 7150.9504263419. The cubic root of 51136092 is about 371.1725451448.

The spelling of 51136092 in words is "fifty-one million, one hundred thirty-six thousand, ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 202921 405842 608763 811684 1217526 1420447 1826289 2435052 2840894 3652578 4261341 5681788 7305156 8522682 12784023 17045364 25568046 51136092