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556115157 = 32134753121
BaseRepresentation
bin100001001001011…
…010010011010101
31102202102120120200
4201021122103111
52114331141112
6131103251113
716531620663
oct4111322325
91382376520
10556115157
11265a04604
121362a9a99
138b2a1a30
1453c01c33
1533c4ecdc
hex2125a4d5

556115157 has 12 divisors (see below), whose sum is σ = 865068204. Its totient is φ = 342224640.

The previous prime is 556115129. The next prime is 556115159. The reversal of 556115157 is 751511655.

It is a happy number.

556115157 is a `hidden beast` number, since 556 + 1 + 1 + 51 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 319908996 + 236206161 = 17886^2 + 15369^2 .

It is not a de Polignac number, because 556115157 - 27 = 556115029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556115159) 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 11 ways as a sum of consecutive naturals, for example, 2376444 + ... + 2376677.

It is an arithmetic number, because the mean of its divisors is an integer number (72089017).

Almost surely, 2556115157 is an apocalyptic number.

It is an amenable number.

556115157 is a deficient number, since it is larger than the sum of its proper divisors (308953047).

556115157 is a wasteful number, since it uses less digits than its factorization.

556115157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753140 (or 4753137 counting only the distinct ones).

The product of its digits is 26250, while the sum is 36.

The square root of 556115157 is about 23582.0939909924. The cubic root of 556115157 is about 822.3466179867.

The spelling of 556115157 in words is "five hundred fifty-six million, one hundred fifteen thousand, one hundred fifty-seven".

Divisors: 1 3 9 13 39 117 4753121 14259363 42778089 61790573 185371719 556115157