Search a number
-
+
56320313 = 719423461
BaseRepresentation
bin1101011011011…
…0000100111001
310220222100221112
43112312010321
5103404222223
65331050105
71252500110
oct326660471
9126870845
1056320313
1129878315
1216a40935
13b88c13a
1476a0c77
154e27778
hex35b6139

56320313 has 8 divisors (see below), whose sum is σ = 67753920. Its totient is φ = 45733680.

The previous prime is 56320247. The next prime is 56320321. The reversal of 56320313 is 31302365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56320313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56320333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211598 + ... + 211863.

It is an arithmetic number, because the mean of its divisors is an integer number (8469240).

Almost surely, 256320313 is an apocalyptic number.

It is an amenable number.

56320313 is a deficient number, since it is larger than the sum of its proper divisors (11433607).

56320313 is a wasteful number, since it uses less digits than its factorization.

56320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423487.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 56320313 is about 7504.6860693836. The cubic root of 56320313 is about 383.3142986558.

Adding to 56320313 its reverse (31302365), we get a palindrome (87622678).

The spelling of 56320313 in words is "fifty-six million, three hundred twenty thousand, three hundred thirteen".

Divisors: 1 7 19 133 423461 2964227 8045759 56320313