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56412005 = 5131078111
BaseRepresentation
bin1101011100110…
…0011101100101
310221011000201112
43113030131211
5103420141010
65333034405
71253331326
oct327143545
9127130645
1056412005
11299301a1
1216a85a05
13b8c1ab0
1476c644d
154e44a05
hex35cc765

56412005 has 16 divisors (see below), whose sum is σ = 73592064. Its totient is φ = 41263680.

The previous prime is 56411987. The next prime is 56412019. The reversal of 56412005 is 50021465.

It is not a de Polignac number, because 56412005 - 212 = 56407909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2900 + ... + 11010.

It is an arithmetic number, because the mean of its divisors is an integer number (4599504).

Almost surely, 256412005 is an apocalyptic number.

It is an amenable number.

56412005 is a deficient number, since it is larger than the sum of its proper divisors (17180059).

56412005 is a wasteful number, since it uses less digits than its factorization.

56412005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56412005 is about 7510.7925680317. The cubic root of 56412005 is about 383.5222035038.

The spelling of 56412005 in words is "fifty-six million, four hundred twelve thousand, five".

Divisors: 1 5 13 65 107 535 1391 6955 8111 40555 105443 527215 867877 4339385 11282401 56412005