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14391357 = 315131769
BaseRepresentation
bin110110111001…
…100000111101
31000002011020020
4312321200331
512141010412
61232242353
7233216211
oct66714075
930064206
1014391357
11813a492
1249a03b9
132c9b5c6
141ca8941
1513e418c
hexdb983d

14391357 has 8 divisors (see below), whose sum is σ = 19316160. Its totient is φ = 9530400.

The previous prime is 14391331. The next prime is 14391359. The reversal of 14391357 is 75319341.

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

It is not a de Polignac number, because 14391357 - 28 = 14391101 is a prime.

It is a super-2 number, since 2×143913572 = 414222312602898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391359) 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, 15432 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (2414520).

Almost surely, 214391357 is an apocalyptic number.

It is an amenable number.

14391357 is a deficient number, since it is larger than the sum of its proper divisors (4924803).

14391357 is a wasteful number, since it uses less digits than its factorization.

14391357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31923.

The product of its digits is 11340, while the sum is 33.

The square root of 14391357 is about 3793.5942060268. The cubic root of 14391357 is about 243.2393955704.

The spelling of 14391357 in words is "fourteen million, three hundred ninety-one thousand, three hundred fifty-seven".

Divisors: 1 3 151 453 31769 95307 4797119 14391357