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56246013 = 3217367621
BaseRepresentation
bin1101011010001…
…1111011111101
310220211121000200
43112203323331
5103344333023
65325314113
71252040355
oct326437375
9126747020
1056246013
112982750a
1216a05939
13b864385
147681b65
154e10743
hex35a3efd

56246013 has 12 divisors (see below), whose sum is σ = 86023548. Its totient is φ = 35291520.

The previous prime is 56246011. The next prime is 56246039. The reversal of 56246013 is 31064265.

56246013 is a `hidden beast` number, since 56 + 2 + 4 + 601 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 19740249 = 6042^2 + 4443^2 .

It is not a de Polignac number, because 56246013 - 21 = 56246011 is a prime.

It is a super-2 number, since 2×562460132 = 6327227956792338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56246011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183658 + ... + 183963.

It is an arithmetic number, because the mean of its divisors is an integer number (7168629).

Almost surely, 256246013 is an apocalyptic number.

It is an amenable number.

56246013 is a deficient number, since it is larger than the sum of its proper divisors (29777535).

56246013 is a wasteful number, since it uses less digits than its factorization.

56246013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367644 (or 367641 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56246013 is about 7499.7341952899. The cubic root of 56246013 is about 383.1456633141.

The spelling of 56246013 in words is "fifty-six million, two hundred forty-six thousand, thirteen".

Divisors: 1 3 9 17 51 153 367621 1102863 3308589 6249557 18748671 56246013