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16459 = 109151
BaseRepresentation
bin100000001001011
3211120121
410001023
51011314
6204111
765662
oct40113
924517
1016459
1111403
129637
137651
145dd9
154d24
hex404b

16459 has 4 divisors (see below), whose sum is σ = 16720. Its totient is φ = 16200.

The previous prime is 16453. The next prime is 16477. The reversal of 16459 is 95461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16459 - 23 = 16451 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (16451) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 34 + ... + 184.

It is an arithmetic number, because the mean of its divisors is an integer number (4180).

216459 is an apocalyptic number.

16459 is a deficient number, since it is larger than the sum of its proper divisors (261).

16459 is a wasteful number, since it uses less digits than its factorization.

16459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its digits is 1080, while the sum is 25.

The square root of 16459 is about 128.2926342391. The cubic root of 16459 is about 25.4371127546.

The spelling of 16459 in words is "sixteen thousand, four hundred fifty-nine".

Divisors: 1 109 151 16459