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14194391 = 71199921
BaseRepresentation
bin110110001001…
…011011010111
3222201011001012
4312021123113
512113210031
61224122435
7231436031
oct66113327
928634035
1014194391
118015502
12490641b
132c2ca63
141c56c51
1513a5b2b
hexd896d7

14194391 has 4 divisors (see below), whose sum is σ = 14394384. Its totient is φ = 13994400.

The previous prime is 14194379. The next prime is 14194393. The reversal of 14194391 is 19349141.

14194391 is digitally balanced in base 3, 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 14194391 - 210 = 14193367 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 (14194393) 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, 99890 + ... + 100031.

It is an arithmetic number, because the mean of its divisors is an integer number (3598596).

Almost surely, 214194391 is an apocalyptic number.

14194391 is a deficient number, since it is larger than the sum of its proper divisors (199993).

14194391 is an equidigital number, since it uses as much as digits as its factorization.

14194391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199992.

The product of its digits is 3888, while the sum is 32.

The square root of 14194391 is about 3767.5444257500. The cubic root of 14194391 is about 242.1246028634.

The spelling of 14194391 in words is "fourteen million, one hundred ninety-four thousand, three hundred ninety-one".

Divisors: 1 71 199921 14194391