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56442103 = 1931791213
BaseRepresentation
bin1101011101001…
…1110011110111
310221012120000021
43113103303313
5103422121403
65333430011
71253515144
oct327236367
9127176007
1056442103
1129950873
1216a9b307
13b9026c3
1476d33cb
154e4d8bd
hex35d3cf7

56442103 has 16 divisors (see below), whose sum is σ = 62156800. Its totient is φ = 51049440.

The previous prime is 56442049. The next prime is 56442143. The reversal of 56442103 is 30124465.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56442103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56442143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45925 + ... + 47137.

It is an arithmetic number, because the mean of its divisors is an integer number (3884800).

Almost surely, 256442103 is an apocalyptic number.

56442103 is a deficient number, since it is larger than the sum of its proper divisors (5714697).

56442103 is a wasteful number, since it uses less digits than its factorization.

56442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 56442103 is about 7512.7959509094. The cubic root of 56442103 is about 383.5903993838.

Adding to 56442103 its reverse (30124465), we get a palindrome (86566568).

The spelling of 56442103 in words is "fifty-six million, four hundred forty-two thousand, one hundred three".

Divisors: 1 19 31 79 589 1213 1501 2449 23047 37603 46531 95827 714457 1820713 2970637 56442103