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56255142 = 23173117791
BaseRepresentation
bin1101011010011…
…0001010100110
310220212001112210
43112212022212
5103400131032
65325424250
71252106106
oct326461246
9126761483
1056255142
1129833359
1216a0b086
13b868588
147685206
154e132cc
hex35a62a6

56255142 has 32 divisors (see below), whose sum is σ = 122978304. Its totient is φ = 17078400.

The previous prime is 56255131. The next prime is 56255149. The reversal of 56255142 is 24155265.

56255142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56255149) 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 15 ways as a sum of consecutive naturals, for example, 5734 + ... + 12057.

It is an arithmetic number, because the mean of its divisors is an integer number (3843072).

Almost surely, 256255142 is an apocalyptic number.

56255142 is an abundant number, since it is smaller than the sum of its proper divisors (66723162).

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

56255142 is a wasteful number, since it uses less digits than its factorization.

56255142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844.

The product of its digits is 12000, while the sum is 30.

The square root of 56255142 is about 7500.3427921662. The cubic root of 56255142 is about 383.1663909910.

The spelling of 56255142 in words is "fifty-six million, two hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 527 1054 1581 3162 17791 35582 53373 106746 302447 551521 604894 907341 1103042 1654563 1814682 3309126 9375857 18751714 28127571 56255142