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90156113 = 234398929
BaseRepresentation
bin1010101111110…
…10110001010001
320021122101221022
411113322301101
5141034443423
612540205225
72143212545
oct527726121
9207571838
1090156113
1146988693
1226239815
13158a8018
14bd8ba25
157dacdc8
hex55fac51

90156113 has 8 divisors (see below), whose sum is σ = 94300800. Its totient is φ = 86030208.

The previous prime is 90156107. The next prime is 90156133. The reversal of 90156113 is 31165109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90156113 - 24 = 90156097 is a prime.

It is a super-2 number, since 2×901561132 = 16256249422537538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90156103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5633 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (11787600).

Almost surely, 290156113 is an apocalyptic number.

It is an amenable number.

90156113 is a deficient number, since it is larger than the sum of its proper divisors (4144687).

90156113 is a wasteful number, since it uses less digits than its factorization.

90156113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 90156113 is about 9495.0572931394. The cubic root of 90156113 is about 448.3994381443.

The spelling of 90156113 in words is "ninety million, one hundred fifty-six thousand, one hundred thirteen".

Divisors: 1 23 439 8929 10097 205367 3919831 90156113