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14857389 = 327123251
BaseRepresentation
bin111000101011…
…010010101101
31000221211111200
4320223102231
512300414024
61250240113
7240200001
oct70532255
930854450
1014857389
118428638
124b86039
133102771
141d8a701
1514872c9
hexe2b4ad

14857389 has 12 divisors (see below), whose sum is σ = 21763872. Its totient is φ = 9765000.

The previous prime is 14857363. The next prime is 14857391. The reversal of 14857389 is 98375841.

It is not a de Polignac number, because 14857389 - 217 = 14726317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14857399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10987 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (1813656).

Almost surely, 214857389 is an apocalyptic number.

It is an amenable number.

14857389 is a deficient number, since it is larger than the sum of its proper divisors (6906483).

14857389 is a wasteful number, since it uses less digits than its factorization.

14857389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23328 (or 23325 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 14857389 is about 3854.5283758198. The cubic root of 14857389 is about 245.8371418606.

The spelling of 14857389 in words is "fourteen million, eight hundred fifty-seven thousand, three hundred eighty-nine".

Divisors: 1 3 9 71 213 639 23251 69753 209259 1650821 4952463 14857389