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27056631 = 374779347
BaseRepresentation
bin110011100110…
…1100111110111
31212220121201110
41213031213313
523411303011
62403530103
7445656210
oct147154767
955817643
1027056631
1114300058
129089933
1357b4354
143844407
152596ba6
hex19cd9f7

27056631 has 32 divisors (see below), whose sum is σ = 42762240. Its totient is φ = 14897376.

The previous prime is 27056621. The next prime is 27056641. The reversal of 27056631 is 13665072.

It is an interprime number because it is at equal distance from previous prime (27056621) and next prime (27056641).

It is not a de Polignac number, because 27056631 - 26 = 27056567 is a prime.

It is a super-2 number, since 2×270566312 = 1464122562140322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27056621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77800 + ... + 78146.

It is an arithmetic number, because the mean of its divisors is an integer number (1336320).

Almost surely, 227056631 is an apocalyptic number.

27056631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27056631 is a deficient number, since it is larger than the sum of its proper divisors (15705609).

27056631 is a wasteful number, since it uses less digits than its factorization.

27056631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 27056631 is about 5201.5988888033. The cubic root of 27056631 is about 300.2095979726.

The spelling of 27056631 in words is "twenty-seven million, fifty-six thousand, six hundred thirty-one".

Divisors: 1 3 7 21 47 79 141 237 329 347 553 987 1041 1659 2429 3713 7287 11139 16309 25991 27413 48927 77973 82239 114163 191891 342489 575673 1288411 3865233 9018877 27056631