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56810245 = 516576857
BaseRepresentation
bin1101100010110…
…1101100000101
310221220021000011
43120231230011
5104020411440
65345350221
71256610352
oct330555405
9127807004
1056810245
112a082418
1217038371
13ba0113b
14778b629
154ec29ea
hex362db05

56810245 has 8 divisors (see below), whose sum is σ = 68223384. Its totient is φ = 45414144.

The previous prime is 56810239. The next prime is 56810249. The reversal of 56810245 is 54201865.

56810245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 829921 + 55980324 = 911^2 + 7482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56810245 - 211 = 56808197 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 (56810249) 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 7 ways as a sum of consecutive naturals, for example, 4857 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (8527923).

Almost surely, 256810245 is an apocalyptic number.

It is an amenable number.

56810245 is a deficient number, since it is larger than the sum of its proper divisors (11413139).

56810245 is a wasteful number, since it uses less digits than its factorization.

56810245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 56810245 is about 7537.2571270987. The cubic root of 56810245 is about 384.4225785068.

The spelling of 56810245 in words is "fifty-six million, eight hundred ten thousand, two hundred forty-five".

Divisors: 1 5 1657 6857 8285 34285 11362049 56810245