Search a number
-
+
56323913 is a prime number
BaseRepresentation
bin1101011011011…
…0111101001001
310220222112212212
43112312331021
5103404331123
65331114505
71252513442
oct326667511
9126875785
1056323913
112987aa98
1216a42a35
13b890979
1476a22c9
154e28878
hex35b6f49

56323913 has 2 divisors, whose sum is σ = 56323914. Its totient is φ = 56323912.

The previous prime is 56323909. The next prime is 56323933. The reversal of 56323913 is 31932365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 15976009 = 6352^2 + 3997^2 .

It is a cyclic number.

It is not a de Polignac number, because 56323913 - 22 = 56323909 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56323913.

It is not a weakly prime, because it can be changed into another prime (56323903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28161956 + 28161957.

It is an arithmetic number, because the mean of its divisors is an integer number (28161957).

Almost surely, 256323913 is an apocalyptic number.

It is an amenable number.

56323913 is a deficient number, since it is larger than the sum of its proper divisors (1).

56323913 is an equidigital number, since it uses as much as digits as its factorization.

56323913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 32.

The square root of 56323913 is about 7504.9259156903. The cubic root of 56323913 is about 383.3224656444.

The spelling of 56323913 in words is "fifty-six million, three hundred twenty-three thousand, nine hundred thirteen".