Search a number
-
+
56690027 = 101955633
BaseRepresentation
bin1101100001000…
…0010101101011
310221200011002122
43120100111223
5104003040102
65343021455
71255600022
oct330202553
9127604078
1056690027
112a000069
1216b9a88b
13b98b4c4
1477598b9
154e9c0a2
hex361056b

56690027 has 4 divisors (see below), whose sum is σ = 56746680. Its totient is φ = 56633376.

The previous prime is 56690017. The next prime is 56690033. The reversal of 56690027 is 72009665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56690027 is a prime.

It is a super-2 number, since 2×566900272 = 6427518322521458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56690017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26798 + ... + 28835.

It is an arithmetic number, because the mean of its divisors is an integer number (14186670).

Almost surely, 256690027 is an apocalyptic number.

56690027 is a deficient number, since it is larger than the sum of its proper divisors (56653).

56690027 is a wasteful number, since it uses less digits than its factorization.

56690027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56652.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56690027 is about 7529.2779866332. The cubic root of 56690027 is about 384.1512239850.

The spelling of 56690027 in words is "fifty-six million, six hundred ninety thousand, twenty-seven".

Divisors: 1 1019 55633 56690027