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56956047 = 361930671
BaseRepresentation
bin1101100101000…
…1010010001111
310222011200000020
43121101102033
5104040043142
65352433223
71261055421
oct331212217
9128150006
1056956047
112a171a15
12170a8813
13ba52605
1477c8811
155000cec
hex365148f

56956047 has 8 divisors (see below), whose sum is σ = 76066560. Its totient is φ = 37908120.

The previous prime is 56956043. The next prime is 56956051. The reversal of 56956047 is 74065965.

56956047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56956043) and next prime (56956051).

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

It is not a de Polignac number, because 56956047 - 22 = 56956043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56956043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13479 + ... + 17192.

It is an arithmetic number, because the mean of its divisors is an integer number (9508320).

Almost surely, 256956047 is an apocalyptic number.

56956047 is a deficient number, since it is larger than the sum of its proper divisors (19110513).

56956047 is a wasteful number, since it uses less digits than its factorization.

56956047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31293.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 56956047 is about 7546.9230153752. The cubic root of 56956047 is about 384.7511677083.

It can be divided in two parts, 569 and 56047, that added together give a triangular number (56616 = T336).

The spelling of 56956047 in words is "fifty-six million, nine hundred fifty-six thousand, forty-seven".

Divisors: 1 3 619 1857 30671 92013 18985349 56956047