Search a number
-
+
56795921 = 71319107307
BaseRepresentation
bin1101100010101…
…0001100010001
310221212112100122
43120222030101
5104014432141
65345200025
71256520530
oct330521421
9127775318
1056795921
112a072686
1217030015
13b9c7770
147786317
154ebd64b
hex362a311

56795921 has 32 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 42037056.

The previous prime is 56795903. The next prime is 56795923. The reversal of 56795921 is 12959765.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56795921 - 26 = 56795857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56795923) 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 31 ways as a sum of consecutive naturals, for example, 184850 + ... + 185156.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 256795921 is an apocalyptic number.

It is an amenable number.

56795921 is a deficient number, since it is larger than the sum of its proper divisors (17715439).

56795921 is a wasteful number, since it uses less digits than its factorization.

56795921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its digits is 170100, while the sum is 44.

The square root of 56795921 is about 7536.3068541561. The cubic root of 56795921 is about 384.3902666596.

The spelling of 56795921 in words is "fifty-six million, seven hundred ninety-five thousand, nine hundred twenty-one".

Divisors: 1 7 13 19 91 107 133 247 307 749 1391 1729 2033 2149 3991 5833 9737 14231 26429 27937 32849 40831 75829 185003 229943 427037 530803 624131 2989259 4368917 8113703 56795921