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56356105 = 5131751001
BaseRepresentation
bin1101011011111…
…0110100001001
310221001012001011
43112332310021
5103411343410
65331523521
71253006341
oct326766411
9127035034
1056356105
11298a21a3
1216a595a1
13b8a2510
1476add21
154e3318a
hex35bed09

56356105 has 16 divisors (see below), whose sum is σ = 77115024. Its totient is φ = 39168000.

The previous prime is 56356103. The next prime is 56356117. The reversal of 56356105 is 50165365.

56356105 = 1132 + 1142 + ... + 5542.

It can be written as a sum of positive squares in 8 ways, for example, as 121104 + 56235001 = 348^2 + 7499^2 .

It is not a de Polignac number, because 56356105 - 21 = 56356103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56356103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24396 + ... + 26605.

It is an arithmetic number, because the mean of its divisors is an integer number (4819689).

Almost surely, 256356105 is an apocalyptic number.

It is an amenable number.

56356105 is a deficient number, since it is larger than the sum of its proper divisors (20758919).

56356105 is a wasteful number, since it uses less digits than its factorization.

56356105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51036.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 56356105 is about 7507.0703340251. The cubic root of 56356105 is about 383.3954812071.

The spelling of 56356105 in words is "fifty-six million, three hundred fifty-six thousand, one hundred five".

Divisors: 1 5 13 17 65 85 221 1105 51001 255005 663013 867017 3315065 4335085 11271221 56356105