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14132231 = 79178889
BaseRepresentation
bin110101111010…
…010000000111
3222120222202222
4311322100013
512104212411
61222522555
7231056561
oct65722007
928528688
1014132231
117a82833
12489645b
132c0a689
141c3c331
1513924db
hexd7a407

14132231 has 4 divisors (see below), whose sum is σ = 14311200. Its totient is φ = 13953264.

The previous prime is 14132227. The next prime is 14132233. The reversal of 14132231 is 13223141.

14132231 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: 13223141 = 82316067.

It is a cyclic number.

It is not a de Polignac number, because 14132231 - 22 = 14132227 is a prime.

It is a super-2 number, since 2×141322312 = 399439906074722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14132233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89366 + ... + 89523.

It is an arithmetic number, because the mean of its divisors is an integer number (3577800).

Almost surely, 214132231 is an apocalyptic number.

14132231 is a deficient number, since it is larger than the sum of its proper divisors (178969).

14132231 is an equidigital number, since it uses as much as digits as its factorization.

14132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178968.

The product of its digits is 144, while the sum is 17.

The square root of 14132231 is about 3759.2859694362. The cubic root of 14132231 is about 241.7706487661.

Adding to 14132231 its reverse (13223141), we get a palindrome (27355372).

The spelling of 14132231 in words is "fourteen million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 79 178889 14132231