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56139202 = 27217311087
BaseRepresentation
bin1101011000100…
…1110111000010
310220122011111201
43112021313002
5103332423302
65323131414
71251114100
oct326116702
9126564451
1056139202
1129764239
1216973b6a
13b827882
147654c70
154dddc87
hex3589dc2

56139202 has 48 divisors (see below), whose sum is σ = 107163648. Its totient is φ = 21893760.

The previous prime is 56139169. The next prime is 56139211. The reversal of 56139202 is 20293165.

56139202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×561392022 = 6303220002393608, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 51103 + ... + 52189.

It is an arithmetic number, because the mean of its divisors is an integer number (2232576).

Almost surely, 256139202 is an apocalyptic number.

56139202 is a deficient number, since it is larger than the sum of its proper divisors (51024446).

56139202 is a wasteful number, since it uses less digits than its factorization.

56139202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56139202 is about 7492.6098256882. The cubic root of 56139202 is about 382.9029788311.

The spelling of 56139202 in words is "fifty-six million, one hundred thirty-nine thousand, two hundred two".

Divisors: 1 2 7 14 17 31 34 49 62 98 119 217 238 434 527 833 1054 1087 1519 1666 2174 3038 3689 7378 7609 15218 18479 25823 33697 36958 51646 53263 67394 106526 129353 235879 258706 471758 572849 905471 1145698 1651153 1810942 3302306 4009943 8019886 28069601 56139202