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56403895 = 583135913
BaseRepresentation
bin1101011100101…
…0011110110111
310221010121121011
43113022132313
5103414411040
65332533051
71253265562
oct327123667
9127117534
1056403895
1129925099
1216a81187
13b8bb1b2
1476c34d9
154e423ea
hex35ca7b7

56403895 has 8 divisors (see below), whose sum is σ = 68500656. Its totient is φ = 44579136.

The previous prime is 56403877. The next prime is 56403929. The reversal of 56403895 is 59830465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56403895 - 211 = 56401847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67542 + ... + 68371.

It is an arithmetic number, because the mean of its divisors is an integer number (8562582).

Almost surely, 256403895 is an apocalyptic number.

56403895 is a deficient number, since it is larger than the sum of its proper divisors (12096761).

56403895 is a wasteful number, since it uses less digits than its factorization.

56403895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136001.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 56403895 is about 7510.2526588657. The cubic root of 56403895 is about 383.5038237628.

The spelling of 56403895 in words is "fifty-six million, four hundred three thousand, eight hundred ninety-five".

Divisors: 1 5 83 415 135913 679565 11280779 56403895