Search a number
-
+
56465161 = 23101109223
BaseRepresentation
bin1101011101100…
…1011100001001
310221020201122021
43113121130021
5103423341121
65334124441
71253642314
oct327313411
9127221567
1056465161
1129967125
1216ab0721
13b91004c
1476db97b
154e55641
hex35d9709

56465161 has 16 divisors (see below), whose sum is σ = 60318720. Its totient is φ = 52747200.

The previous prime is 56465147. The next prime is 56465173. The reversal of 56465161 is 16156465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56465161 - 213 = 56456969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56465111) 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, 253096 + ... + 253318.

It is an arithmetic number, because the mean of its divisors is an integer number (3769920).

Almost surely, 256465161 is an apocalyptic number.

It is an amenable number.

56465161 is a deficient number, since it is larger than the sum of its proper divisors (3853559).

56465161 is a wasteful number, since it uses less digits than its factorization.

56465161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 21600, while the sum is 34.

The square root of 56465161 is about 7514.3303760215. The cubic root of 56465161 is about 383.6426276719.

The spelling of 56465161 in words is "fifty-six million, four hundred sixty-five thousand, one hundred sixty-one".

Divisors: 1 23 101 109 223 2323 2507 5129 11009 22523 24307 253207 518029 559061 2455007 56465161