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92090091 = 3235922621
BaseRepresentation
bin1010111110100…
…10111011101011
320102021122212010
411133102323223
5142033340331
613045451003
72165516142
oct537227353
9212248763
1092090091
1147a89715
1226a10a63
13161043a2
14c332759
158140e46
hex57d2eeb

92090091 has 16 divisors (see below), whose sum is σ = 130302720. Its totient is φ = 57726240.

The previous prime is 92090069. The next prime is 92090099. The reversal of 92090091 is 19009029.

It is not a de Polignac number, because 92090091 - 215 = 92057323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (92090099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7240 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (8143920).

Almost surely, 292090091 is an apocalyptic number.

92090091 is a deficient number, since it is larger than the sum of its proper divisors (38212629).

92090091 is a wasteful number, since it uses less digits than its factorization.

92090091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22706.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 92090091 is about 9596.3582154899. The cubic root of 92090091 is about 451.5830516247.

The spelling of 92090091 in words is "ninety-two million, ninety thousand, ninety-one".

Divisors: 1 3 23 59 69 177 1357 4071 22621 67863 520283 1334639 1560849 4003917 30696697 92090091