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56420008 = 2317715843
BaseRepresentation
bin1101011100111…
…0011010101000
310221011102200221
43113032122220
5103420420013
65333135424
71253363551
oct327163250
9127142627
1056420008
1129936207
1216a8a574
13b8c5628
1476c9328
154e4708d
hex35ce6a8

56420008 has 32 divisors (see below), whose sum is σ = 113607360. Its totient is φ = 26172160.

The previous prime is 56420003. The next prime is 56420009. The reversal of 56420008 is 80002465.

It is not an unprimeable number, because it can be changed into a prime (56420003) 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, 6735 + ... + 12577.

It is an arithmetic number, because the mean of its divisors is an integer number (3550230).

Almost surely, 256420008 is an apocalyptic number.

It is an amenable number.

56420008 is an abundant number, since it is smaller than the sum of its proper divisors (57187352).

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

56420008 is a wasteful number, since it uses less digits than its factorization.

56420008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 56420008 is about 7511.3253158148. The cubic root of 56420008 is about 383.5403390234.

The spelling of 56420008 in words is "fifty-six million, four hundred twenty thousand, eight".

Divisors: 1 2 4 8 17 34 68 71 136 142 284 568 1207 2414 4828 5843 9656 11686 23372 46744 99331 198662 397324 414853 794648 829706 1659412 3318824 7052501 14105002 28210004 56420008