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56948579 = 109352103
BaseRepresentation
bin1101100100111…
…1011101100011
310222011021202122
43121033131203
5104034323304
65352334455
71261024562
oct331173543
9128137678
1056948579
112a167346
12170a442b
13ba4c0ac
1477c5bd9
154eed9be
hex364f763

56948579 has 4 divisors (see below), whose sum is σ = 57001776. Its totient is φ = 56895384.

The previous prime is 56948569. The next prime is 56948609. The reversal of 56948579 is 97584965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97584965 = 519516993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56948579 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 56948579.

It is not an unprimeable number, because it can be changed into a prime (56948569) 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, 24959 + ... + 27144.

It is an arithmetic number, because the mean of its divisors is an integer number (14250444).

Almost surely, 256948579 is an apocalyptic number.

56948579 is a deficient number, since it is larger than the sum of its proper divisors (53197).

56948579 is a wasteful number, since it uses less digits than its factorization.

56948579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53196.

The product of its digits is 2721600, while the sum is 53.

The square root of 56948579 is about 7546.4282279765. The cubic root of 56948579 is about 384.7343509554.

The spelling of 56948579 in words is "fifty-six million, nine hundred forty-eight thousand, five hundred seventy-nine".

Divisors: 1 1093 52103 56948579