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27496013 = 1091491693
BaseRepresentation
bin110100011100…
…0111001001101
31220201221102212
41220320321031
524014333023
62421200205
7452466206
oct150707115
956657385
1027496013
1114580186
129260065
13590933c
14391a5ad
152631e78
hex1a38e4d

27496013 has 8 divisors (see below), whose sum is σ = 27951000. Its totient is φ = 27044928.

The previous prime is 27496009. The next prime is 27496019. The reversal of 27496013 is 31069472.

It can be written as a sum of positive squares in 4 ways, for example, as 1261129 + 26234884 = 1123^2 + 5122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27496013 - 22 = 27496009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27496019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15395 + ... + 17087.

It is an arithmetic number, because the mean of its divisors is an integer number (3493875).

Almost surely, 227496013 is an apocalyptic number.

It is an amenable number.

27496013 is a deficient number, since it is larger than the sum of its proper divisors (454987).

27496013 is a wasteful number, since it uses less digits than its factorization.

27496013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 27496013 is about 5243.6640815369. The cubic root of 27496013 is about 301.8259490049.

The spelling of 27496013 in words is "twenty-seven million, four hundred ninety-six thousand, thirteen".

Divisors: 1 109 149 1693 16241 184537 252257 27496013