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56613103 = 192156823
BaseRepresentation
bin1101011111110…
…1100011101111
310221112020120121
43113331203233
5103443104403
65341225411
71255126531
oct327754357
9127466517
1056613103
1129a58298
1216b62267
13b9624a1
147739851
154e843bd
hex35fd8ef

56613103 has 6 divisors (see below), whose sum is σ = 59749944. Its totient is φ = 53633124.

The previous prime is 56613083. The next prime is 56613107. The reversal of 56613103 is 30131665.

It is a de Polignac number, because none of the positive numbers 2k-56613103 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 (56613107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78051 + ... + 78772.

It is an arithmetic number, because the mean of its divisors is an integer number (9958324).

Almost surely, 256613103 is an apocalyptic number.

56613103 is a deficient number, since it is larger than the sum of its proper divisors (3136841).

56613103 is a wasteful number, since it uses less digits than its factorization.

56613103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156861 (or 156842 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 56613103 is about 7524.1679274190. The cubic root of 56613103 is about 383.9773907949.

Adding to 56613103 its reverse (30131665), we get a palindrome (86744768).

The spelling of 56613103 in words is "fifty-six million, six hundred thirteen thousand, one hundred three".

Divisors: 1 19 361 156823 2979637 56613103