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27169057 = 68339779
BaseRepresentation
bin110011110100…
…1000100100001
31220010022221101
41213221010201
523423402212
62410154401
7446635036
oct147510441
956108841
1027169057
1114377573
129122a01
135823586
14387338d
1525ba157
hex19e9121

27169057 has 4 divisors (see below), whose sum is σ = 27209520. Its totient is φ = 27128596.

The previous prime is 27169039. The next prime is 27169061. The reversal of 27169057 is 75096172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27169057 - 215 = 27136289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27169097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19207 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (6802380).

Almost surely, 227169057 is an apocalyptic number.

It is an amenable number.

27169057 is a deficient number, since it is larger than the sum of its proper divisors (40463).

27169057 is an equidigital number, since it uses as much as digits as its factorization.

27169057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40462.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 27169057 is about 5212.3945552884. The cubic root of 27169057 is about 300.6248347387.

The spelling of 27169057 in words is "twenty-seven million, one hundred sixty-nine thousand, fifty-seven".

Divisors: 1 683 39779 27169057