Search a number
-
+
168180 = 22352803
BaseRepresentation
bin101001000011110100
322112200220
4221003310
520340210
63334340
71300215
oct510364
9275626
10168180
111053a1
12813b0
135b71c
144540c
1534c70
hex290f4

168180 has 24 divisors (see below), whose sum is σ = 471072. Its totient is φ = 44832.

The previous prime is 168151. The next prime is 168193. The reversal of 168180 is 81861.

It is a self number, because there is not a number n which added to its sum of digits gives 168180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (19628).

2168180 is an apocalyptic number.

168180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168180 is an abundant number, since it is smaller than the sum of its proper divisors (302892).

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

168180 is a wasteful number, since it uses less digits than its factorization.

168180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 168180 is about 410.0975493709. The cubic root of 168180 is about 55.1981830950.

The spelling of 168180 in words is "one hundred sixty-eight thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2803 5606 8409 11212 14015 16818 28030 33636 42045 56060 84090 168180