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80872 = 2311919
BaseRepresentation
bin10011101111101000
311002221021
4103233220
510041442
61422224
7454531
oct235750
9132837
1080872
1155840
123a974
132aa6c
1421688
1518e67
hex13be8

80872 has 16 divisors (see below), whose sum is σ = 165600. Its totient is φ = 36720.

The previous prime is 80863. The next prime is 80897. The reversal of 80872 is 27808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (10350).

280872 is an apocalyptic number.

It is an amenable number.

80872 is an abundant number, since it is smaller than the sum of its proper divisors (84728).

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 (82800).

80872 is a wasteful number, since it uses less digits than its factorization.

80872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 80872 is about 284.3800274281. The cubic root of 80872 is about 43.2446839892.

The spelling of 80872 in words is "eighty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 919 1838 3676 7352 10109 20218 40436 80872