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13917127 = 72284023
BaseRepresentation
bin110101000101…
…101111000111
3222012001201011
4311011233013
512030322002
61214143051
7226202500
oct65055707
928161634
1013917127
117946164
1247b1a87
132b637b3
141bc3ba7
15134d8d7
hexd45bc7

13917127 has 6 divisors (see below), whose sum is σ = 16189368. Its totient is φ = 11928924.

The previous prime is 13917121. The next prime is 13917149. The reversal of 13917127 is 72171931.

13917127 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-13917127 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 (13917121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141963 + ... + 142060.

It is an arithmetic number, because the mean of its divisors is an integer number (2698228).

Almost surely, 213917127 is an apocalyptic number.

13917127 is a deficient number, since it is larger than the sum of its proper divisors (2272241).

13917127 is an equidigital number, since it uses as much as digits as its factorization.

13917127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284037 (or 284030 counting only the distinct ones).

The product of its digits is 2646, while the sum is 31.

The square root of 13917127 is about 3730.5665789529. The cubic root of 13917127 is about 240.5377237200.

The spelling of 13917127 in words is "thirteen million, nine hundred seventeen thousand, one hundred twenty-seven".

Divisors: 1 7 49 284023 1988161 13917127