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91957052 = 22112089933
BaseRepresentation
bin1010111101100…
…10011100111100
320102000220100202
411132302130330
5142020111202
613042543032
72164423235
oct536623474
9212026322
1091957052
11479a8770
1226967a78
1316088975
14c2da08c
158116802
hex57b273c

91957052 has 12 divisors (see below), whose sum is σ = 175554456. Its totient is φ = 41798640.

The previous prime is 91957009. The next prime is 91957069. The reversal of 91957052 is 25075919.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 91956997 and 91957015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044923 + ... + 1045010.

It is an arithmetic number, because the mean of its divisors is an integer number (14629538).

Almost surely, 291957052 is an apocalyptic number.

It is an amenable number.

91957052 is a deficient number, since it is larger than the sum of its proper divisors (83597404).

91957052 is a wasteful number, since it uses less digits than its factorization.

91957052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089948 (or 2089946 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 91957052 is about 9589.4239660159. The cubic root of 91957052 is about 451.3654852862.

The spelling of 91957052 in words is "ninety-one million, nine hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 4 11 22 44 2089933 4179866 8359732 22989263 45978526 91957052