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56526007 = 194763299
BaseRepresentation
bin1101011110100…
…0010010110111
310221100211002211
43113220102313
5103432313012
65335314251
71254314566
oct327502267
9127324084
1056526007
11299a890a
1216b1b987
13b931955
147715bdd
154e686a7
hex35e84b7

56526007 has 8 divisors (see below), whose sum is σ = 60768000. Its totient is φ = 52410744.

The previous prime is 56525971. The next prime is 56526013. The reversal of 56526007 is 70062565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56526007 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 56526007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56526097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30757 + ... + 32542.

It is an arithmetic number, because the mean of its divisors is an integer number (7596000).

Almost surely, 256526007 is an apocalyptic number.

56526007 is a deficient number, since it is larger than the sum of its proper divisors (4241993).

56526007 is a wasteful number, since it uses less digits than its factorization.

56526007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63365.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56526007 is about 7518.3779500634. The cubic root of 56526007 is about 383.7803806934.

The spelling of 56526007 in words is "fifty-six million, five hundred twenty-six thousand, seven".

Divisors: 1 19 47 893 63299 1202681 2975053 56526007