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56925091 = 394314437
BaseRepresentation
bin1101100100100…
…1101110100011
310222010002112201
43121021232203
5104033100331
65352034031
71260566236
oct331115643
9128102481
1056925091
112a150733
1217092917
13ba414b2
1477bb41d
154ee6a61
hex3649ba3

56925091 has 4 divisors (see below), whose sum is σ = 56943472. Its totient is φ = 56906712.

The previous prime is 56925073. The next prime is 56925101. The reversal of 56925091 is 19052965.

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 56925091 - 25 = 56925059 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 56925091.

It is not an unprimeable number, because it can be changed into a prime (56920091) 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, 3276 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (14235868).

Almost surely, 256925091 is an apocalyptic number.

56925091 is a deficient number, since it is larger than the sum of its proper divisors (18381).

56925091 is a wasteful number, since it uses less digits than its factorization.

56925091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18380.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 56925091 is about 7544.8718345642. The cubic root of 56925091 is about 384.6814501148.

The spelling of 56925091 in words is "fifty-six million, nine hundred twenty-five thousand, ninety-one".

Divisors: 1 3943 14437 56925091