Search a number
-
+
56130565 = 538329311
BaseRepresentation
bin1101011000011…
…1110000000101
310220121201122211
43112013300011
5103332134230
65323023421
71251046651
oct326076005
9126551584
1056130565
11297587a7
121696ab71
13b82396a
147651a61
154ddb42a
hex3587c05

56130565 has 8 divisors (see below), whose sum is σ = 67534848. Its totient is φ = 44785680.

The previous prime is 56130539. The next prime is 56130589. The reversal of 56130565 is 56503165.

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

It is not a de Polignac number, because 56130565 - 25 = 56130533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12741 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (8441856).

Almost surely, 256130565 is an apocalyptic number.

It is an amenable number.

56130565 is a deficient number, since it is larger than the sum of its proper divisors (11404283).

56130565 is a wasteful number, since it uses less digits than its factorization.

56130565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29699.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 56130565 is about 7492.0334355901. The cubic root of 56130565 is about 382.8833413198.

The spelling of 56130565 in words is "fifty-six million, one hundred thirty thousand, five hundred sixty-five".

Divisors: 1 5 383 1915 29311 146555 11226113 56130565