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56442102 = 2312774071
BaseRepresentation
bin1101011101001…
…1110011110110
310221012120000020
43113103303312
5103422121402
65333430010
71253515143
oct327236366
9127176006
1056442102
1129950872
1216a9b306
13b9026c2
1476d33ca
154e4d8bc
hex35d3cf6

56442102 has 16 divisors (see below), whose sum is σ = 113774592. Its totient is φ = 18665640.

The previous prime is 56442049. The next prime is 56442143. The reversal of 56442102 is 20124465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36274 + ... + 37797.

It is an arithmetic number, because the mean of its divisors is an integer number (7110912).

Almost surely, 256442102 is an apocalyptic number.

56442102 is an abundant number, since it is smaller than the sum of its proper divisors (57332490).

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

56442102 is a wasteful number, since it uses less digits than its factorization.

56442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74203.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 56442102 is about 7512.7958843562. The cubic root of 56442102 is about 383.5903971184.

Adding to 56442102 its reverse (20124465), we get a palindrome (76566567).

The spelling of 56442102 in words is "fifty-six million, four hundred forty-two thousand, one hundred two".

Divisors: 1 2 3 6 127 254 381 762 74071 148142 222213 444426 9407017 18814034 28221051 56442102