Search a number
-
+
56830689 = 3238316487
BaseRepresentation
bin1101100011001…
…0101011100001
310221221022001100
43120302223201
5104022040224
65350025013
71260024066
oct330625341
9127838040
1056830689
112a096813
1217048169
13ba0a536
147794c6d
154ec8ac9
hex3632ae1

56830689 has 12 divisors (see below), whose sum is σ = 82308096. Its totient is φ = 37785912.

The previous prime is 56830687. The next prime is 56830699. The reversal of 56830689 is 98603865.

56830689 is a `hidden beast` number, since 568 + 3 + 0 + 6 + 89 = 666.

56830689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56830689 - 21 = 56830687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56830687) 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 11 ways as a sum of consecutive naturals, for example, 4797 + ... + 11690.

It is an arithmetic number, because the mean of its divisors is an integer number (6859008).

Almost surely, 256830689 is an apocalyptic number.

It is an amenable number.

56830689 is a deficient number, since it is larger than the sum of its proper divisors (25477407).

56830689 is a wasteful number, since it uses less digits than its factorization.

56830689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16876 (or 16873 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 56830689 is about 7538.6132013786. The cubic root of 56830689 is about 384.4686863444.

The spelling of 56830689 in words is "fifty-six million, eight hundred thirty thousand, six hundred eighty-nine".

Divisors: 1 3 9 383 1149 3447 16487 49461 148383 6314521 18943563 56830689