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27086131 is a prime number
BaseRepresentation
bin110011101010…
…0110100110011
31212222010012001
41213110310303
523413224011
62404314431
7446141212
oct147246463
955863161
1027086131
1114320236
1290a2a17
1357c48c7
143851079
1525a07c1
hex19d4d33

27086131 has 2 divisors, whose sum is σ = 27086132. Its totient is φ = 27086130.

The previous prime is 27086123. The next prime is 27086149. The reversal of 27086131 is 13168072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27086131 - 23 = 27086123 is a prime.

It is a super-2 number, since 2×270861312 = 1467316985098322, which contains 22 as substring.

It is equal to p1688113 and since 27086131 and 1688113 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27086131.

It is not a weakly prime, because it can be changed into another prime (27089131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13543065 + 13543066.

It is an arithmetic number, because the mean of its divisors is an integer number (13543066).

Almost surely, 227086131 is an apocalyptic number.

27086131 is a deficient number, since it is larger than the sum of its proper divisors (1).

27086131 is an equidigital number, since it uses as much as digits as its factorization.

27086131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27086131 is about 5204.4337828432. The cubic root of 27086131 is about 300.3186650924.

The spelling of 27086131 in words is "twenty-seven million, eighty-six thousand, one hundred thirty-one".