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14399171 = 67214913
BaseRepresentation
bin110110111011…
…011011000011
31000002112221122
4312323123003
512141233141
61232342455
7233251043
oct66733303
930075848
1014399171
118145346
1249a4a2b
132ca2027
141cab723
1513e664b
hexdbb6c3

14399171 has 4 divisors (see below), whose sum is σ = 14614152. Its totient is φ = 14184192.

The previous prime is 14399141. The next prime is 14399191. The reversal of 14399171 is 17199341.

It is a happy number.

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 14399171 - 26 = 14399107 is a prime.

It is a super-2 number, since 2×143991712 = 414672250974482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14399141) 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, 107390 + ... + 107523.

It is an arithmetic number, because the mean of its divisors is an integer number (3653538).

Almost surely, 214399171 is an apocalyptic number.

14399171 is a deficient number, since it is larger than the sum of its proper divisors (214981).

14399171 is an equidigital number, since it uses as much as digits as its factorization.

14399171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214980.

The product of its digits is 6804, while the sum is 35.

The square root of 14399171 is about 3794.6239602891. The cubic root of 14399171 is about 243.2834110801.

The spelling of 14399171 in words is "fourteen million, three hundred ninety-nine thousand, one hundred seventy-one".

Divisors: 1 67 214913 14399171