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56165461 = 115105951
BaseRepresentation
bin1101011001000…
…0010001010101
310220200111112021
43112100101111
5103334243321
65323453141
71251253462
oct326202125
9126614467
1056165461
1129781a40
12169871b1
13b836801
147660669
154de6941
hex3590455

56165461 has 4 divisors (see below), whose sum is σ = 61271424. Its totient is φ = 51059500.

The previous prime is 56165441. The next prime is 56165503. The reversal of 56165461 is 16456165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56165461 - 25 = 56165429 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 (56165441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552965 + ... + 2552986.

It is an arithmetic number, because the mean of its divisors is an integer number (15317856).

Almost surely, 256165461 is an apocalyptic number.

It is an amenable number.

56165461 is a deficient number, since it is larger than the sum of its proper divisors (5105963).

56165461 is a wasteful number, since it uses less digits than its factorization.

56165461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105962.

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

The square root of 56165461 is about 7494.3619474909. The cubic root of 56165461 is about 382.9626702273.

The spelling of 56165461 in words is "fifty-six million, one hundred sixty-five thousand, four hundred sixty-one".

Divisors: 1 11 5105951 56165461