Search a number
-
+
56430437 = 7192137163
BaseRepresentation
bin1101011101000…
…0111101100101
310221011222000012
43113100331211
5103421233222
65333300005
71253436140
oct327207545
9127158005
1056430437
1129943028
1216a94605
13b8ca2bb
1476cd057
154e4a1e2
hex35d0f65

56430437 has 24 divisors (see below), whose sum is σ = 68982336. Its totient is φ = 45209664.

The previous prime is 56430421. The next prime is 56430449. The reversal of 56430437 is 73403465.

It is not a de Polignac number, because 56430437 - 24 = 56430421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56430487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346118 + ... + 346280.

It is an arithmetic number, because the mean of its divisors is an integer number (2874264).

Almost surely, 256430437 is an apocalyptic number.

It is an amenable number.

56430437 is a deficient number, since it is larger than the sum of its proper divisors (12551899).

56430437 is a wasteful number, since it uses less digits than its factorization.

56430437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 56430437 is about 7512.0195021046. The cubic root of 56430437 is about 383.5639695043.

The spelling of 56430437 in words is "fifty-six million, four hundred thirty thousand, four hundred thirty-seven".

Divisors: 1 7 19 133 137 163 361 959 1141 2527 2603 3097 18221 21679 22331 49457 58843 156317 346199 411901 424289 2970023 8061491 56430437