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56197064 = 2371191229
BaseRepresentation
bin1101011001011…
…1111111001000
310220202002212202
43112113333020
5103341301224
65324255332
71251444560
oct326277710
9126662782
1056197064
11297a3760
12169a1548
13b848001
14766bda0
154e00eae
hex3597fc8

56197064 has 32 divisors (see below), whose sum is σ = 131371200. Its totient is φ = 21894720.

The previous prime is 56197049. The next prime is 56197069. The reversal of 56197064 is 46079165.

It is a super-2 number, since 2×561970642 = 6316220004440192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56197069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44999 + ... + 46230.

It is an arithmetic number, because the mean of its divisors is an integer number (4105350).

Almost surely, 256197064 is an apocalyptic number.

It is an amenable number.

56197064 is an abundant number, since it is smaller than the sum of its proper divisors (75174136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56197064 is a wasteful number, since it uses less digits than its factorization.

56197064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91253 (or 91249 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 56197064 is about 7496.4701026550. The cubic root of 56197064 is about 383.0344848252.

The spelling of 56197064 in words is "fifty-six million, one hundred ninety-seven thousand, sixty-four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 91229 182458 364916 638603 729832 1003519 1277206 2007038 2554412 4014076 5108824 7024633 8028152 14049266 28098532 56197064