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56407242 = 239401207
BaseRepresentation
bin1101011100101…
…1010011001010
310221010210012010
43113023103022
5103420012432
65333000350
71253311413
oct327132312
9127123163
1056407242
1129927661
1216a830b6
13b8bc888
1476c480a
154e433cc
hex35cb4ca

56407242 has 8 divisors (see below), whose sum is σ = 112814496. Its totient is φ = 18802412.

The previous prime is 56407223. The next prime is 56407243. The reversal of 56407242 is 24270465.

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

56407242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56407243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700598 + ... + 4700609.

It is an arithmetic number, because the mean of its divisors is an integer number (14101812).

Almost surely, 256407242 is an apocalyptic number.

56407242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56407242 is a wasteful number, since it uses less digits than its factorization.

56407242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401212.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 56407242 is about 7510.4754842819. The cubic root of 56407242 is about 383.5114093022.

The spelling of 56407242 in words is "fifty-six million, four hundred seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9401207 18802414 28203621 56407242