Search a number
-
+
14612131 = 43339817
BaseRepresentation
bin110111101111…
…011010100011
31000111101002001
4313233122203
512220042011
61241104431
7235125652
oct67573243
930441061
1014612131
118280346
124a88117
133047c41
141d25199
1514397c1
hexdef6a3

14612131 has 4 divisors (see below), whose sum is σ = 14951992. Its totient is φ = 14272272.

The previous prime is 14612111. The next prime is 14612137. The reversal of 14612131 is 13121641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13121641 = 131009357.

It is a cyclic number.

It is not a de Polignac number, because 14612131 - 215 = 14579363 is a prime.

It is a super-2 number, since 2×146121312 = 427028744722322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14612099 and 14612108.

It is not an unprimeable number, because it can be changed into a prime (14612137) 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, 169866 + ... + 169951.

It is an arithmetic number, because the mean of its divisors is an integer number (3737998).

Almost surely, 214612131 is an apocalyptic number.

14612131 is a deficient number, since it is larger than the sum of its proper divisors (339861).

14612131 is an equidigital number, since it uses as much as digits as its factorization.

14612131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339860.

The product of its digits is 144, while the sum is 19.

The square root of 14612131 is about 3822.5817192050. The cubic root of 14612131 is about 244.4769125758.

Adding to 14612131 its reverse (13121641), we get a palindrome (27733772).

The spelling of 14612131 in words is "fourteen million, six hundred twelve thousand, one hundred thirty-one".

Divisors: 1 43 339817 14612131