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56629157 = 1331831693
BaseRepresentation
bin1101100000000…
…1011110100101
310221120001121012
43120001132211
5103444113112
65341432005
71255224404
oct330013645
9127501535
1056629157
1129a69362
1216b6b605
13b9698a0
14774163b
154e89022
hex36017a5

56629157 has 16 divisors (see below), whose sum is σ = 63748608. Its totient is φ = 49947840.

The previous prime is 56629121. The next prime is 56629163. The reversal of 56629157 is 75192665.

It is a cyclic number.

It is not a de Polignac number, because 56629157 - 210 = 56628133 is a prime.

It is a super-2 number, since 2×566291572 = 6413722845061298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56629757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32603 + ... + 34295.

It is an arithmetic number, because the mean of its divisors is an integer number (3984288).

Almost surely, 256629157 is an apocalyptic number.

It is an amenable number.

56629157 is a deficient number, since it is larger than the sum of its proper divisors (7119451).

56629157 is a wasteful number, since it uses less digits than its factorization.

56629157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 113400, while the sum is 41.

The square root of 56629157 is about 7525.2346807259. The cubic root of 56629157 is about 384.0136826903.

The spelling of 56629157 in words is "fifty-six million, six hundred twenty-nine thousand, one hundred fifty-seven".

Divisors: 1 13 31 83 403 1079 1693 2573 22009 33449 52483 140519 682279 1826747 4356089 56629157