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14189421 = 37166617
BaseRepresentation
bin110110001000…
…001101101101
3222200220020010
4312020031231
512113030141
61224043433
7231415401
oct66101555
928626203
1014189421
1180117a4
124903579
132c2a70c
141c55101
1513a4416
hexd8836d

14189421 has 8 divisors (see below), whose sum is σ = 19185984. Its totient is φ = 9326240.

The previous prime is 14189411. The next prime is 14189423. The reversal of 14189421 is 12498141.

14189421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14189421 - 210 = 14188397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14189423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33096 + ... + 33521.

It is an arithmetic number, because the mean of its divisors is an integer number (2398248).

Almost surely, 214189421 is an apocalyptic number.

It is an amenable number.

14189421 is a deficient number, since it is larger than the sum of its proper divisors (4996563).

14189421 is an equidigital number, since it uses as much as digits as its factorization.

14189421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66691.

The product of its digits is 2304, while the sum is 30.

The square root of 14189421 is about 3766.8847871949. The cubic root of 14189421 is about 242.0963405319.

The spelling of 14189421 in words is "fourteen million, one hundred eighty-nine thousand, four hundred twenty-one".

Divisors: 1 3 71 213 66617 199851 4729807 14189421