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14689 = 37397
BaseRepresentation
bin11100101100001
3202011001
43211201
5432224
6152001
760553
oct34541
922131
1014689
1110044
128601
1368bc
1454d3
154544
hex3961

14689 has 4 divisors (see below), whose sum is σ = 15124. Its totient is φ = 14256.

The previous prime is 14683. The next prime is 14699. The reversal of 14689 is 98641.

It can be divided in two parts, 14 and 689, that added together give a triangular number (703 = T37).

14689 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.

It can be written as a sum of positive squares in 2 ways, for example, as 11664 + 3025 = 108^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 14689 - 25 = 14657 is a prime.

It is an Ulam number.

It is a Duffinian number.

14689 is a lucky number.

It is a plaindrome in base 10 and base 13.

It is not an unprimeable number, because it can be changed into a prime (14683) 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, 162 + ... + 235.

It is an arithmetic number, because the mean of its divisors is an integer number (3781).

214689 is an apocalyptic number.

It is an amenable number.

14689 is a deficient number, since it is larger than the sum of its proper divisors (435).

14689 is an equidigital number, since it uses as much as digits as its factorization.

14689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 1728, while the sum is 28.

The square root of 14689 is about 121.1981848049. The cubic root of 14689 is about 24.4904863798.

The spelling of 14689 in words is "fourteen thousand, six hundred eighty-nine".

Divisors: 1 37 397 14689