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56481683 = 149337831
BaseRepresentation
bin1101011101110…
…1011110010011
310221021120022012
43113131132103
5103424403213
65334333135
71254041426
oct327353623
9127246265
1056481683
1129978585
1216aba1ab
13b91771b
1477039bd
154e5a4a8
hex35dd793

56481683 has 4 divisors (see below), whose sum is σ = 56521008. Its totient is φ = 56442360.

The previous prime is 56481671. The next prime is 56481697. The reversal of 56481683 is 38618465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56481683 - 28 = 56481427 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 56481683.

It is not an unprimeable number, because it can be changed into a prime (56481613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17423 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (14130252).

Almost surely, 256481683 is an apocalyptic number.

56481683 is a deficient number, since it is larger than the sum of its proper divisors (39325).

56481683 is a wasteful number, since it uses less digits than its factorization.

56481683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39324.

The product of its digits is 138240, while the sum is 41.

The square root of 56481683 is about 7515.4296617026. The cubic root of 56481683 is about 383.6800426328.

The spelling of 56481683 in words is "fifty-six million, four hundred eighty-one thousand, six hundred eighty-three".

Divisors: 1 1493 37831 56481683