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56345117 = 371522841
BaseRepresentation
bin1101011011110…
…0001000011101
310221000121222012
43112330020131
5103411020432
65331401005
71252632323
oct326741035
9127017865
1056345117
1129894a14
1216a53165
13b89a50a
1476a9d13
154e2ecb2
hex35bc21d

56345117 has 4 divisors (see below), whose sum is σ = 57867996. Its totient is φ = 54822240.

The previous prime is 56345087. The next prime is 56345129. The reversal of 56345117 is 71154365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42758521 + 13586596 = 6539^2 + 3686^2 .

It is a cyclic number.

It is not a de Polignac number, because 56345117 - 216 = 56279581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56345167) 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, 761384 + ... + 761457.

It is an arithmetic number, because the mean of its divisors is an integer number (14466999).

Almost surely, 256345117 is an apocalyptic number.

It is an amenable number.

56345117 is a deficient number, since it is larger than the sum of its proper divisors (1522879).

56345117 is a wasteful number, since it uses less digits than its factorization.

56345117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522878.

The product of its digits is 12600, while the sum is 32.

The square root of 56345117 is about 7506.3384549326. The cubic root of 56345117 is about 383.3705621478.

The spelling of 56345117 in words is "fifty-six million, three hundred forty-five thousand, one hundred seventeen".

Divisors: 1 37 1522841 56345117