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56078871 = 318692957
BaseRepresentation
bin1101010111101…
…1001000010111
310220112002202020
43111323020113
5103324010441
65321544223
71250443152
oct325731027
9126462666
1056078871
1129722982
1216945073
13b806284
14763ac99
154dcae66
hex357b217

56078871 has 4 divisors (see below), whose sum is σ = 74771832. Its totient is φ = 37385912.

The previous prime is 56078839. The next prime is 56078879. The reversal of 56078871 is 17887065.

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 56078871 - 25 = 56078839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56078879) 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, 9346476 + ... + 9346481.

It is an arithmetic number, because the mean of its divisors is an integer number (18692958).

Almost surely, 256078871 is an apocalyptic number.

56078871 is a deficient number, since it is larger than the sum of its proper divisors (18692961).

56078871 is a wasteful number, since it uses less digits than its factorization.

56078871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18692960.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 56078871 is about 7488.5827096988. The cubic root of 56078871 is about 382.7657651491.

The spelling of 56078871 in words is "fifty-six million, seventy-eight thousand, eight hundred seventy-one".

Divisors: 1 3 18692957 56078871