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14219131 = 79179989
BaseRepresentation
bin110110001111…
…011101111011
3222202101222111
4312033131323
512120003011
61224433151
7231601123
oct66173573
928671874
1014219131
118032053
1249187b7
132c3b0b4
141c61c83
1513ad121
hexd8f77b

14219131 has 4 divisors (see below), whose sum is σ = 14399200. Its totient is φ = 14039064.

The previous prime is 14219113. The next prime is 14219141. The reversal of 14219131 is 13191241.

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 14219131 - 213 = 14210939 is a prime.

It is a super-2 number, since 2×142191312 = 404367372790322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14219141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89916 + ... + 90073.

It is an arithmetic number, because the mean of its divisors is an integer number (3599800).

Almost surely, 214219131 is an apocalyptic number.

14219131 is a deficient number, since it is larger than the sum of its proper divisors (180069).

14219131 is an equidigital number, since it uses as much as digits as its factorization.

14219131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180068.

The product of its digits is 216, while the sum is 22.

The square root of 14219131 is about 3770.8263020192. The cubic root of 14219131 is about 242.2651909279.

The spelling of 14219131 in words is "fourteen million, two hundred nineteen thousand, one hundred thirty-one".

Divisors: 1 79 179989 14219131