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56575005 = 353771667
BaseRepresentation
bin1101011111010…
…0010000011101
310221110022022120
43113310100131
5103440400010
65340333153
71254610464
oct327642035
9127408276
1056575005
1129a31703
1216b441b9
13b94b046
1477299db
154e77e70
hex35f441d

56575005 has 8 divisors (see below), whose sum is σ = 90520032. Its totient is φ = 30173328.

The previous prime is 56575003. The next prime is 56575007. The reversal of 56575005 is 50057565.

It is an interprime number because it is at equal distance from previous prime (56575003) and next prime (56575007).

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

It is not a de Polignac number, because 56575005 - 21 = 56575003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56575003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885819 + ... + 1885848.

It is an arithmetic number, because the mean of its divisors is an integer number (11315004).

Almost surely, 256575005 is an apocalyptic number.

It is an amenable number.

56575005 is a deficient number, since it is larger than the sum of its proper divisors (33945027).

56575005 is a wasteful number, since it uses less digits than its factorization.

56575005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771675.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 56575005 is about 7521.6357928312. The cubic root of 56575005 is about 383.8912384580.

The spelling of 56575005 in words is "fifty-six million, five hundred seventy-five thousand, five".

Divisors: 1 3 5 15 3771667 11315001 18858335 56575005