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14302431 = 32111311113
BaseRepresentation
bin110110100011…
…110011011111
3222220122020200
4312203303133
512130134211
61230314543
7232366023
oct66436337
928818220
1014302431
1180896a0
124958a53
132c69ca0
141c84383
1513c7b56
hexda3cdf

14302431 has 24 divisors (see below), whose sum is σ = 24272976. Its totient is φ = 8000640.

The previous prime is 14302427. The next prime is 14302441. The reversal of 14302431 is 13420341.

It is not a de Polignac number, because 14302431 - 22 = 14302427 is a prime.

It is a super-2 number, since 2×143024312 = 409119065019522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14302411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4270 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (1011374).

Almost surely, 214302431 is an apocalyptic number.

14302431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14302431 is a deficient number, since it is larger than the sum of its proper divisors (9970545).

14302431 is a wasteful number, since it uses less digits than its factorization.

14302431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143 (or 11140 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14302431 is about 3781.8554969750. The cubic root of 14302431 is about 242.7373578499.

Adding to 14302431 its reverse (13420341), we get a palindrome (27722772).

The spelling of 14302431 in words is "fourteen million, three hundred two thousand, four hundred thirty-one".

Divisors: 1 3 9 11 13 33 39 99 117 143 429 1287 11113 33339 100017 122243 144469 366729 433407 1100187 1300221 1589159 4767477 14302431