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14271139 = 16387553
BaseRepresentation
bin110110011100…
…001010100011
3222212001022201
4312130022203
512123134024
61225514031
7232205551
oct66341243
928761281
1014271139
118068133
124942917
132c5897c
141c76bd1
1513bd744
hexd9c2a3

14271139 has 4 divisors (see below), whose sum is σ = 14358856. Its totient is φ = 14183424.

The previous prime is 14271137. The next prime is 14271149. The reversal of 14271139 is 93117241.

14271139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14271139 - 21 = 14271137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14271137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43614 + ... + 43939.

It is an arithmetic number, because the mean of its divisors is an integer number (3589714).

Almost surely, 214271139 is an apocalyptic number.

14271139 is a deficient number, since it is larger than the sum of its proper divisors (87717).

14271139 is an equidigital number, since it uses as much as digits as its factorization.

14271139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87716.

The product of its digits is 1512, while the sum is 28.

The square root of 14271139 is about 3777.7161089738. The cubic root of 14271139 is about 242.5602018670.

The spelling of 14271139 in words is "fourteen million, two hundred seventy-one thousand, one hundred thirty-nine".

Divisors: 1 163 87553 14271139