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56623883 = 355715919
BaseRepresentation
bin1101100000000…
…0001100001011
310221112210100212
43120000030023
5103443431013
65341351335
71255203131
oct330001413
9127483325
1056623883
1129a653a8
1216b6854b
13b967374
14773d751
154e876a8
hex360030b

56623883 has 4 divisors (see below), whose sum is σ = 56643360. Its totient is φ = 56604408.

The previous prime is 56623871. The next prime is 56623909. The reversal of 56623883 is 38832665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38832665 = 57766533.

It is a cyclic number.

It is not a de Polignac number, because 56623883 - 28 = 56623627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56623883.

It is not an unprimeable number, because it can be changed into a prime (56623823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (14160840).

Almost surely, 256623883 is an apocalyptic number.

56623883 is a deficient number, since it is larger than the sum of its proper divisors (19477).

56623883 is a wasteful number, since it uses less digits than its factorization.

56623883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19476.

The product of its digits is 207360, while the sum is 41.

The square root of 56623883 is about 7524.8842516015. The cubic root of 56623883 is about 384.0017609692.

The spelling of 56623883 in words is "fifty-six million, six hundred twenty-three thousand, eight hundred eighty-three".

Divisors: 1 3557 15919 56623883