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56438934 = 2330672
BaseRepresentation
bin1101011101001…
…1000010010110
310221012101122220
43113103002112
5103422021214
65333403210
71253502666
oct327230226
9127171586
1056438934
1129949452
1216a99506
13b901126
1476d21a6
154e4c9a9
hex35d3096

56438934 has 12 divisors (see below), whose sum is σ = 112914684. Its totient is φ = 18806844.

The previous prime is 56438933. The next prime is 56438957. The reversal of 56438934 is 43983465.

56438934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×564389343 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56438933) 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 5 ways as a sum of consecutive naturals, for example, 16869 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (9409557).

Almost surely, 256438934 is an apocalyptic number.

56438934 is an abundant number, since it is smaller than the sum of its proper divisors (56475750).

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

56438934 is an frugal number, since it uses more digits than its factorization.

56438934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139 (or 3072 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 56438934 is about 7512.5850411160. The cubic root of 56438934 is about 383.5832202234.

The spelling of 56438934 in words is "fifty-six million, four hundred thirty-eight thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 3067 6134 9201 18402 9406489 18812978 28219467 56438934