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93131164 = 2272475159
BaseRepresentation
bin1011000110100…
…01000110011100
320111020112221101
411203101012130
5142320144124
613124042444
72210413300
oct543210634
9214215841
1093131164
114862a905
1227233424
13163aa1c9
14c523d00
158299644
hex58d119c

93131164 has 18 divisors (see below), whose sum is σ = 189588840. Its totient is φ = 39913272.

The previous prime is 93131149. The next prime is 93131173. The reversal of 93131164 is 46113139.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237384 + ... + 237775.

Almost surely, 293131164 is an apocalyptic number.

It is an amenable number.

93131164 is an abundant number, since it is smaller than the sum of its proper divisors (96457676).

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

93131164 is a wasteful number, since it uses less digits than its factorization.

93131164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475177 (or 475168 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 93131164 is about 9650.4489014760. The cubic root of 93131164 is about 453.2783855451.

The spelling of 93131164 in words is "ninety-three million, one hundred thirty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 196 475159 950318 1900636 3326113 6652226 13304452 23282791 46565582 93131164