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56503894 = 272738861
BaseRepresentation
bin1101011110001…
…0111001010110
310221022200202211
43113202321112
5103431111034
65335024034
71254163246
oct327427126
9127280684
1056503894
1129993237
1216b0b01a
13b924875
14770bb26
154e61d64
hex35e2e56

56503894 has 8 divisors (see below), whose sum is σ = 84874608. Its totient is φ = 28212360.

The previous prime is 56503877. The next prime is 56503897. The reversal of 56503894 is 49830565.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56503897) 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, 17977 + ... + 20884.

It is an arithmetic number, because the mean of its divisors is an integer number (10609326).

Almost surely, 256503894 is an apocalyptic number.

56503894 is a deficient number, since it is larger than the sum of its proper divisors (28370714).

56503894 is a wasteful number, since it uses less digits than its factorization.

56503894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39590.

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

The square root of 56503894 is about 7516.9072097506. The cubic root of 56503894 is about 383.7303291455.

The spelling of 56503894 in words is "fifty-six million, five hundred three thousand, eight hundred ninety-four".

Divisors: 1 2 727 1454 38861 77722 28251947 56503894