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56444442 = 239407407
BaseRepresentation
bin1101011101010…
…0011000011010
310221012200012220
43113110120122
5103422210232
65333444510
71253525025
oct327243032
9127180186
1056444442
11299525aa
1216aa0736
13b9037a2
1476d41bc
154e4e42c
hex35d461a

56444442 has 8 divisors (see below), whose sum is σ = 112888896. Its totient is φ = 18814812.

The previous prime is 56444441. The next prime is 56444447. The reversal of 56444442 is 24444465.

56444442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

56444442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703698 + ... + 4703709.

It is an arithmetic number, because the mean of its divisors is an integer number (14111112).

Almost surely, 256444442 is an apocalyptic number.

56444442 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.

56444442 is a wasteful number, since it uses less digits than its factorization.

56444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407412.

The product of its digits is 61440, while the sum is 33.

The square root of 56444442 is about 7512.9516170411. The cubic root of 56444442 is about 383.5956980616.

The spelling of 56444442 in words is "fifty-six million, four hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9407407 18814814 28222221 56444442