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56943017 = 109522413
BaseRepresentation
bin1101100100111…
…0000110101001
310222011000010122
43121032012221
5104034134032
65352253025
71261002425
oct331160651
9128130118
1056943017
112a16314a
12170a1175
13ba496c1
1477c3b85
154eec012
hex364e1a9

56943017 has 4 divisors (see below), whose sum is σ = 57465540. Its totient is φ = 56420496.

The previous prime is 56943011. The next prime is 56943031. The reversal of 56943017 is 71034965.

56943017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71034965 = 514206993.

It can be written as a sum of positive squares in 2 ways, for example, as 48038761 + 8904256 = 6931^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 56943017 - 26 = 56942953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56943011) 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 3 ways as a sum of consecutive naturals, for example, 261098 + ... + 261315.

It is an arithmetic number, because the mean of its divisors is an integer number (14366385).

Almost surely, 256943017 is an apocalyptic number.

It is an amenable number.

56943017 is a deficient number, since it is larger than the sum of its proper divisors (522523).

56943017 is a wasteful number, since it uses less digits than its factorization.

56943017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522522.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56943017 is about 7546.0597002674. The cubic root of 56943017 is about 384.7218252572.

The spelling of 56943017 in words is "fifty-six million, nine hundred forty-three thousand, seventeen".

Divisors: 1 109 522413 56943017