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56346813 = 334348533
BaseRepresentation
bin1101011011110…
…0100010111101
310221000201022000
43112330202331
5103411044223
65331412513
71252640265
oct326744275
9127021260
1056346813
1129896216
1216a54139
13b89b213
1476aa7a5
154e30543
hex35bc8bd

56346813 has 16 divisors (see below), whose sum is σ = 85419840. Its totient is φ = 36690192.

The previous prime is 56346811. The next prime is 56346821. The reversal of 56346813 is 31864365.

56346813 is a `hidden beast` number, since 5 + 634 + 6 + 8 + 13 = 666.

It is not a de Polignac number, because 56346813 - 21 = 56346811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56346811) 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, 23106 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (5338740).

Almost surely, 256346813 is an apocalyptic number.

It is an amenable number.

56346813 is a deficient number, since it is larger than the sum of its proper divisors (29073027).

56346813 is a wasteful number, since it uses less digits than its factorization.

56346813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48585 (or 48579 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 56346813 is about 7506.4514252741. The cubic root of 56346813 is about 383.3744086210.

The spelling of 56346813 in words is "fifty-six million, three hundred forty-six thousand, eight hundred thirteen".

Divisors: 1 3 9 27 43 129 387 1161 48533 145599 436797 1310391 2086919 6260757 18782271 56346813