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16629 = 323241
BaseRepresentation
bin100000011110101
3211210220
410003311
51013004
6204553
766324
oct40365
924726
1016629
1111548
129759
137752
1460bb
154dd9
hex40f5

16629 has 8 divisors (see below), whose sum is σ = 23232. Its totient is φ = 10560.

The previous prime is 16619. The next prime is 16631. The reversal of 16629 is 92661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-16629 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 16599 and 16608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16619) 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 7 ways as a sum of consecutive naturals, for example, 52 + ... + 189.

It is an arithmetic number, because the mean of its divisors is an integer number (2904).

216629 is an apocalyptic number.

It is an amenable number.

16629 is a deficient number, since it is larger than the sum of its proper divisors (6603).

16629 is a wasteful number, since it uses less digits than its factorization.

16629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 648, while the sum is 24.

The square root of 16629 is about 128.9534799841. The cubic root of 16629 is about 25.5243903506.

Adding to 16629 its sum of digits (24), we get a triangular number (16653 = T182).

The spelling of 16629 in words is "sixteen thousand, six hundred twenty-nine".

Divisors: 1 3 23 69 241 723 5543 16629