Search a number
-
+
56445133 = 731037507
BaseRepresentation
bin1101011101010…
…0100011001101
310221012201011111
43113110203031
5103422221013
65333452021
71253530033
oct327244315
9127181144
1056445133
1129953078
1216aa1011
13b903bb4
1476d4553
154e4e73d
hex35d48cd

56445133 has 8 divisors (see below), whose sum is σ = 57781568. Its totient is φ = 55124064.

The previous prime is 56445127. The next prime is 56445187. The reversal of 56445133 is 33154465.

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

It is a cyclic number.

It is not a de Polignac number, because 56445133 - 25 = 56445101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56445095 and 56445104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56445113) 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, 3766 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (7222696).

Almost surely, 256445133 is an apocalyptic number.

It is an amenable number.

56445133 is a deficient number, since it is larger than the sum of its proper divisors (1336435).

56445133 is a wasteful number, since it uses less digits than its factorization.

56445133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683.

The product of its digits is 21600, while the sum is 31.

The square root of 56445133 is about 7512.9976041524. The cubic root of 56445133 is about 383.5972633975.

Adding to 56445133 its reverse (33154465), we get a palindrome (89599598).

The spelling of 56445133 in words is "fifty-six million, four hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 73 103 7507 7519 548011 773221 56445133