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56257078 = 289316051
BaseRepresentation
bin1101011010011…
…0101000110110
310220212011012111
43112212220312
5103400211303
65325441234
71252114543
oct326465066
9126764174
1056257078
1129834859
1216a1021a
13b869417
147685bca
154e13b6d
hex35a6a36

56257078 has 8 divisors (see below), whose sum is σ = 85334040. Its totient is φ = 27812400.

The previous prime is 56257027. The next prime is 56257087. The reversal of 56257078 is 87075265.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56257078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157848 + ... + 158203.

It is an arithmetic number, because the mean of its divisors is an integer number (10666755).

Almost surely, 256257078 is an apocalyptic number.

56257078 is a deficient number, since it is larger than the sum of its proper divisors (29076962).

56257078 is a wasteful number, since it uses less digits than its factorization.

56257078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316142.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 56257078 is about 7500.4718518237. The cubic root of 56257078 is about 383.1707864506.

The spelling of 56257078 in words is "fifty-six million, two hundred fifty-seven thousand, seventy-eight".

Divisors: 1 2 89 178 316051 632102 28128539 56257078