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27690159 = 371318579
BaseRepresentation
bin110100110100…
…0010010101111
31221002210202110
41221220102233
524042041114
62425255103
7454235220
oct151502257
957083673
1027690159
11146a3032
129334493
135976813
14396b247
15266e759
hex1a684af

27690159 has 8 divisors (see below), whose sum is σ = 42194560. Its totient is φ = 15822936.

The previous prime is 27690149. The next prime is 27690167. The reversal of 27690159 is 95109672.

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

It is not a de Polignac number, because 27690159 - 27 = 27690031 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 (27690139) 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, 659269 + ... + 659310.

It is an arithmetic number, because the mean of its divisors is an integer number (5274320).

Almost surely, 227690159 is an apocalyptic number.

27690159 is a deficient number, since it is larger than the sum of its proper divisors (14504401).

27690159 is a wasteful number, since it uses less digits than its factorization.

27690159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318589.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 27690159 is about 5262.1439547014. The cubic root of 27690159 is about 302.5346689769.

The spelling of 27690159 in words is "twenty-seven million, six hundred ninety thousand, one hundred fifty-nine".

Divisors: 1 3 7 21 1318579 3955737 9230053 27690159