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14531 = 111321
BaseRepresentation
bin11100011000011
3201221012
43203003
5431111
6151135
760236
oct34303
921835
1014531
11aa10
1284ab
1367ca
14541d
15448b
hex38c3

14531 has 4 divisors (see below), whose sum is σ = 15864. Its totient is φ = 13200.

The previous prime is 14519. The next prime is 14533. The reversal of 14531 is 13541.

14531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13541 = 111231.

It is a de Polignac number, because none of the positive numbers 2k-14531 is a prime.

It is a super-2 number, since 2×145312 = 422299922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 5 and base 11.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (3966).

214531 is an apocalyptic number.

14531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14531 is a deficient number, since it is larger than the sum of its proper divisors (1333).

14531 is a wasteful number, since it uses less digits than its factorization.

14531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 60, while the sum is 14.

The square root of 14531 is about 120.5445975563. The cubic root of 14531 is about 24.4023602483.

Multiplying 14531 by its product of digits (60), we get a triangular number (871860 = T1320).

Subtracting from 14531 its reverse (13541), we obtain a triangular number (990 = T44).

It can be divided in two parts, 14 and 531, that added together give a palindrome (545).

The spelling of 14531 in words is "fourteen thousand, five hundred thirty-one".

Divisors: 1 11 1321 14531