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14644 = 227523

14644 has 12 divisors (see below), whose sum is σ = 29344. Its totient is φ = 6264.

The previous prime is 14639. The next prime is 14653. The reversal of 14644 is 44641.

14644 is nontrivially palindromic in base 13.

14644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

14644 is an admirable number.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 234 + ... + 289.

214644 is an apocalyptic number.

14644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14672).

14644 is a wasteful number, since it uses less digits than its factorization.

14644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 14644 is about 121.0123960592. The cubic root of 14644 is about 24.4654517913.

It can be divided in two parts, 146 and 44, that added together give a triangular number (190 = T19).

The spelling of 14644 in words is "fourteen thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 523 1046 2092 3661 7322 14644