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14257157 = 971031427
BaseRepresentation
bin110110011000…
…110000000101
3222211100010212
4312120300011
512122212112
61225325205
7232120025
oct66306005
928740125
1014257157
118058682
124936805
132c524b5
141c71a85
1513b9522
hexd98c05

14257157 has 8 divisors (see below), whose sum is σ = 14554176. Its totient is φ = 13963392.

The previous prime is 14257153. The next prime is 14257181. The reversal of 14257157 is 75175241.

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 14257157 - 22 = 14257153 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 (14257151) 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, 9278 + ... + 10704.

It is an arithmetic number, because the mean of its divisors is an integer number (1819272).

Almost surely, 214257157 is an apocalyptic number.

It is an amenable number.

14257157 is a deficient number, since it is larger than the sum of its proper divisors (297019).

14257157 is a wasteful number, since it uses less digits than its factorization.

14257157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its digits is 9800, while the sum is 32.

The square root of 14257157 is about 3775.8650664450. The cubic root of 14257157 is about 242.4809607045.

The spelling of 14257157 in words is "fourteen million, two hundred fifty-seven thousand, one hundred fifty-seven".

Divisors: 1 97 103 1427 9991 138419 146981 14257157