Search a number
-
+
56064621 = 365328619
BaseRepresentation
bin1101010111011…
…1101001101101
310220111101012110
43111313221231
5103323031441
65321354233
71250353464
oct325675155
9126441173
1056064621
11297131a8
1216938979
13b7cc942
1476359db
154dc6b16
hex3577a6d

56064621 has 8 divisors (see below), whose sum is σ = 74869920. Its totient is φ = 37317872.

The previous prime is 56064601. The next prime is 56064637. The reversal of 56064621 is 12646065.

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

It is a cyclic number.

It is not a de Polignac number, because 56064621 - 26 = 56064557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56064601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12351 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (9358740).

Almost surely, 256064621 is an apocalyptic number.

It is an amenable number.

56064621 is a deficient number, since it is larger than the sum of its proper divisors (18805299).

56064621 is a wasteful number, since it uses less digits than its factorization.

56064621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29275.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 56064621 is about 7487.6312008538. The cubic root of 56064621 is about 382.7333413257.

The spelling of 56064621 in words is "fifty-six million, sixty-four thousand, six hundred twenty-one".

Divisors: 1 3 653 1959 28619 85857 18688207 56064621