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56122451 = 7113719699
BaseRepresentation
bin1101011000010…
…1110001010011
310220121022112022
43112011301103
5103331404301
65322522055
71251014210
oct326056123
9126538468
1056122451
11297526a0
121696632b
13b820068
14764cb07
154dd8d1b
hex3585c53

56122451 has 16 divisors (see below), whose sum is σ = 71865600. Its totient is φ = 42547680.

The previous prime is 56122433. The next prime is 56122499. The reversal of 56122451 is 15422165.

56122451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56122451 - 26 = 56122387 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 56122451.

It is not an unprimeable number, because it can be changed into a prime (56122351) 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 15 ways as a sum of consecutive naturals, for example, 7001 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (4491600).

Almost surely, 256122451 is an apocalyptic number.

56122451 is a deficient number, since it is larger than the sum of its proper divisors (15743149).

56122451 is a wasteful number, since it uses less digits than its factorization.

56122451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19754.

The product of its digits is 2400, while the sum is 26.

The square root of 56122451 is about 7491.4919074908. The cubic root of 56122451 is about 382.8648910919.

The spelling of 56122451 in words is "fifty-six million, one hundred twenty-two thousand, four hundred fifty-one".

Divisors: 1 7 11 37 77 259 407 2849 19699 137893 216689 728863 1516823 5102041 8017493 56122451