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56115063 = 3271137641
BaseRepresentation
bin1101011000001…
…1111101110111
310220120221101200
43112003331313
5103331140223
65322423543
71250653524
oct326037567
9126527350
1056115063
1129748094
1216961bb3
13b8198a4
14764a14b
154dd6a43
hex3583f77

56115063 has 24 divisors (see below), whose sum is σ = 82925856. Its totient is φ = 36556800.

The previous prime is 56115047. The next prime is 56115071. The reversal of 56115063 is 36051165.

It is a happy number.

It is not a de Polignac number, because 56115063 - 24 = 56115047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56115013) 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 23 ways as a sum of consecutive naturals, for example, 87223 + ... + 87863.

It is an arithmetic number, because the mean of its divisors is an integer number (3455244).

Almost surely, 256115063 is an apocalyptic number.

56115063 is a deficient number, since it is larger than the sum of its proper divisors (26810793).

56115063 is a wasteful number, since it uses less digits than its factorization.

56115063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 56115063 is about 7490.9987985582. The cubic root of 56115063 is about 382.8480901510.

The spelling of 56115063 in words is "fifty-six million, one hundred fifteen thousand, sixty-three".

Divisors: 1 3 9 71 137 213 411 639 641 1233 1923 5769 9727 29181 45511 87543 87817 136533 263451 409599 790353 6235007 18705021 56115063