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56799689 = 431320923
BaseRepresentation
bin1101100010101…
…1000111001001
310221212201112012
43120223013021
5104020042224
65345225305
71256534522
oct330530711
9127781465
1056799689
112a0754a1
1217032235
13b9c93ab
147787849
154ebe80e
hex362b1c9

56799689 has 4 divisors (see below), whose sum is σ = 58120656. Its totient is φ = 55478724.

The previous prime is 56799679. The next prime is 56799697. The reversal of 56799689 is 98699765.

56799689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56799689 - 212 = 56795593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56799649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660419 + ... + 660504.

It is an arithmetic number, because the mean of its divisors is an integer number (14530164).

Almost surely, 256799689 is an apocalyptic number.

It is an amenable number.

56799689 is a deficient number, since it is larger than the sum of its proper divisors (1320967).

56799689 is a wasteful number, since it uses less digits than its factorization.

56799689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320966.

The product of its digits is 7348320, while the sum is 59.

The square root of 56799689 is about 7536.5568398308. The cubic root of 56799689 is about 384.3987669795.

The spelling of 56799689 in words is "fifty-six million, seven hundred ninety-nine thousand, six hundred eighty-nine".

Divisors: 1 43 1320923 56799689