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56900481 = 3114340099
BaseRepresentation
bin1101100100001…
…1101110000001
310222001211210020
43121003232001
5104031303411
65351324053
71260434421
oct331035601
9128054706
1056900481
112a1341a0
1217080629
13ba33231
1477b2481
154ede606
hex3643b81

56900481 has 16 divisors (see below), whose sum is σ = 84691200. Its totient is φ = 33682320.

The previous prime is 56900449. The next prime is 56900539. The reversal of 56900481 is 18400965.

It is not a de Polignac number, because 56900481 - 25 = 56900449 is a prime.

It is a super-2 number, since 2×569004812 = 6475329476062722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56900981) 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, 18631 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (5293200).

Almost surely, 256900481 is an apocalyptic number.

It is an amenable number.

56900481 is a deficient number, since it is larger than the sum of its proper divisors (27790719).

56900481 is a wasteful number, since it uses less digits than its factorization.

56900481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40156.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 56900481 is about 7543.2407491741. The cubic root of 56900481 is about 384.6260066369.

The spelling of 56900481 in words is "fifty-six million, nine hundred thousand, four hundred eighty-one".

Divisors: 1 3 11 33 43 129 473 1419 40099 120297 441089 1323267 1724257 5172771 18966827 56900481