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14881 = 23647
BaseRepresentation
bin11101000100001
3202102011
43220201
5434011
6152521
761246
oct35041
922364
1014881
11101a9
128741
136a09
1455cd
154621
hex3a21

14881 has 4 divisors (see below), whose sum is σ = 15552. Its totient is φ = 14212.

The previous prime is 14879. The next prime is 14887. The reversal of 14881 is 18841.

14881 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18841 = 83227.

It is a cyclic number.

It is not a de Polignac number, because 14881 - 21 = 14879 is a prime.

It is a super-2 number, since 2×148812 = 442888322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

14881 is a lucky number.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (14887) 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, 301 + ... + 346.

It is an arithmetic number, because the mean of its divisors is an integer number (3888).

214881 is an apocalyptic number.

It is an amenable number.

14881 is a deficient number, since it is larger than the sum of its proper divisors (671).

14881 is an equidigital number, since it uses as much as digits as its factorization.

14881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its digits is 256, while the sum is 22.

The square root of 14881 is about 121.9877042984. The cubic root of 14881 is about 24.5967299066.

The spelling of 14881 in words is "fourteen thousand, eight hundred eighty-one".

Divisors: 1 23 647 14881