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93057990 = 2355575569
BaseRepresentation
bin1011000101111…
…11001111000110
320111002211120020
411202333033012
5142310323430
613122320010
72206660044
oct542771706
9214084506
1093057990
114858a933
12271b9006
1316382acc
14c505394
158282b10
hex58bf3c6

93057990 has 32 divisors (see below), whose sum is σ = 223780320. Its totient is φ = 24766464.

The previous prime is 93057989. The next prime is 93058019. The reversal of 93057990 is 9975039.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13926 + ... + 19494.

It is an arithmetic number, because the mean of its divisors is an integer number (6993135).

Almost surely, 293057990 is an apocalyptic number.

93057990 is an abundant number, since it is smaller than the sum of its proper divisors (130722330).

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

93057990 is a wasteful number, since it uses less digits than its factorization.

93057990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136.

The product of its (nonzero) digits is 76545, while the sum is 42.

The square root of 93057990 is about 9646.6569338813. The cubic root of 93057990 is about 453.1596394605.

The spelling of 93057990 in words is "ninety-three million, fifty-seven thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 557 1114 1671 2785 3342 5569 5570 8355 11138 16707 16710 27845 33414 55690 83535 167070 3101933 6203866 9305799 15509665 18611598 31019330 46528995 93057990