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27161141 = 7379187
BaseRepresentation
bin110011110011…
…1001000110101
31220002221002012
41213213020311
523423124031
62410054005
7446603000
oct147471065
956087065
1027161141
1114371627
12911a305
13581caa7
143870537
1525b7b2b
hex19e7235

27161141 has 8 divisors (see below), whose sum is σ = 31675200. Its totient is φ = 23280684.

The previous prime is 27161129. The next prime is 27161149. The reversal of 27161141 is 14116172.

It is a happy number.

It is not a de Polignac number, because 27161141 - 214 = 27144757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27161149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39251 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (3959400).

Almost surely, 227161141 is an apocalyptic number.

It is an amenable number.

27161141 is a deficient number, since it is larger than the sum of its proper divisors (4514059).

27161141 is an frugal number, since it uses more digits than its factorization.

27161141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79208 (or 79194 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 27161141 is about 5211.6351560715. The cubic root of 27161141 is about 300.5956351318.

The spelling of 27161141 in words is "twenty-seven million, one hundred sixty-one thousand, one hundred forty-one".

Divisors: 1 7 49 343 79187 554309 3880163 27161141