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27232081 is a prime number
BaseRepresentation
bin110011111100…
…0011101010001
31220020112101121
41213320131101
523432411311
62411402241
7450316552
oct147703521
956215347
1027232081
111440a958
129153381
135846176
14388c329
1525cdb71
hex19f8751

27232081 has 2 divisors, whose sum is σ = 27232082. Its totient is φ = 27232080.

The previous prime is 27232063. The next prime is 27232109. The reversal of 27232081 is 18023272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15563025 + 11669056 = 3945^2 + 3416^2 .

It is a cyclic number.

It is not a de Polignac number, because 27232081 - 211 = 27230033 is a prime.

It is a super-2 number, since 2×272320812 = 1483172471181122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27232001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13616040 + 13616041.

It is an arithmetic number, because the mean of its divisors is an integer number (13616041).

Almost surely, 227232081 is an apocalyptic number.

It is an amenable number.

27232081 is a deficient number, since it is larger than the sum of its proper divisors (1).

27232081 is an equidigital number, since it uses as much as digits as its factorization.

27232081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 27232081 is about 5218.4366432870. The cubic root of 27232081 is about 300.8571081459.

The spelling of 27232081 in words is "twenty-seven million, two hundred thirty-two thousand, eighty-one".