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56430306 = 2323135017
BaseRepresentation
bin1101011101000…
…0111011100010
310221011221211100
43113100323202
5103421232211
65333255230
71253435562
oct327207342
9127157740
1056430306
1129942a19
1216a94516
13b8ca21a
1476ccda2
154e4a156
hex35d0ee2

56430306 has 12 divisors (see below), whose sum is σ = 122265702. Its totient is φ = 18810096.

The previous prime is 56430299. The next prime is 56430331. The reversal of 56430306 is 60303465.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 10989225 = 6741^2 + 3315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56430306.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1567491 + ... + 1567526.

Almost surely, 256430306 is an apocalyptic number.

56430306 is an abundant number, since it is smaller than the sum of its proper divisors (65835396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56430306 is a wasteful number, since it uses less digits than its factorization.

56430306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135025 (or 3135022 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 56430306 is about 7512.0107827399. The cubic root of 56430306 is about 383.5636726969.

The spelling of 56430306 in words is "fifty-six million, four hundred thirty thousand, three hundred six".

Divisors: 1 2 3 6 9 18 3135017 6270034 9405051 18810102 28215153 56430306