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80508 = 2236709
BaseRepresentation
bin10011101001111100
311002102210
4103221330
510034013
61420420
7453501
oct235174
9132383
1080508
115553a
123a710
132a84c
14214a8
1518cc3
hex13a7c

80508 has 12 divisors (see below), whose sum is σ = 187880. Its totient is φ = 26832.

The previous prime is 80491. The next prime is 80513.

80508 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

80508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343 + ... + 3366.

280508 is an apocalyptic number.

It is an amenable number.

80508 is an abundant number, since it is smaller than the sum of its proper divisors (107372).

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 (93940).

80508 is a wasteful number, since it uses less digits than its factorization.

80508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6714 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 80508 is about 283.7393169795. The cubic root of 80508 is about 43.1797058314.

The spelling of 80508 in words is "eighty thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 6709 13418 20127 26836 40254 80508