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BaseRepresentation
bin100000011110000
3211210201
410003300
51012444
6204544
766316
oct40360
924721
1016624
1111543
129754
13774a
1460b6
154dd4
hex40f0

16624 has 10 divisors (see below), whose sum is σ = 32240. Its totient is φ = 8304.

The previous prime is 16619. The next prime is 16631. The reversal of 16624 is 42661.

It can be divided in two parts, 166 and 24, that added together give a triangular number (190 = T19).

16624 is nontrivially palindromic in base 15.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

16624 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504 + ... + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (3224).

216624 is an apocalyptic number.

It is an amenable number.

16624 is a deficient number, since it is larger than the sum of its proper divisors (15616).

16624 is a wasteful number, since it uses less digits than its factorization.

16624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1041 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 16624 is about 128.9340916903. The cubic root of 16624 is about 25.5218318736.

The spelling of 16624 in words is "sixteen thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 1039 2078 4156 8312 16624