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56103091 = 118396079
BaseRepresentation
bin1101011000000…
…1000010110011
310220120022222021
43112001002303
5103330244331
65322252311
71250603602
oct326010263
9126508867
1056103091
112973a0a0
1216957097
13b8142c5
147645a39
154dd3211
hex35810b3

56103091 has 8 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 50933640.

The previous prime is 56103079. The next prime is 56103107. The reversal of 56103091 is 19030165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56103091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56103011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6190 + ... + 12268.

It is an arithmetic number, because the mean of its divisors is an integer number (7660800).

Almost surely, 256103091 is an apocalyptic number.

56103091 is a deficient number, since it is larger than the sum of its proper divisors (5183309).

56103091 is a wasteful number, since it uses less digits than its factorization.

56103091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 56103091 is about 7490.1996635604. The cubic root of 56103091 is about 382.8208616727.

The spelling of 56103091 in words is "fifty-six million, one hundred three thousand, ninety-one".

Divisors: 1 11 839 6079 9229 66869 5100281 56103091