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56926857 = 3131459663
BaseRepresentation
bin1101100100101…
…0001010001001
310222010011222010
43121022022021
5104033124412
65352050133
71260604341
oct331121211
9128104863
1056926857
112a151a99
1217093949
13ba42240
1477bbd21
154ee733c
hex364a289

56926857 has 8 divisors (see below), whose sum is σ = 81741184. Its totient is φ = 35031888.

The previous prime is 56926813. The next prime is 56926867. The reversal of 56926857 is 75862965.

It is a happy number.

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

It is not a de Polignac number, because 56926857 - 214 = 56910473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56926867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729793 + ... + 729870.

It is an arithmetic number, because the mean of its divisors is an integer number (10217648).

Almost surely, 256926857 is an apocalyptic number.

It is an amenable number.

56926857 is a deficient number, since it is larger than the sum of its proper divisors (24814327).

56926857 is a wasteful number, since it uses less digits than its factorization.

56926857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459679.

The product of its digits is 907200, while the sum is 48.

The square root of 56926857 is about 7544.9888667910. The cubic root of 56926857 is about 384.6854280937.

The spelling of 56926857 in words is "fifty-six million, nine hundred twenty-six thousand, eight hundred fifty-seven".

Divisors: 1 3 13 39 1459663 4378989 18975619 56926857