Search a number
-
+
80850112 = 267251719
BaseRepresentation
bin1001101000110…
…10110011000000
312122010121111121
410310122303000
5131144200422
612004522024
72001133420
oct464326300
9178117447
1080850112
1141701982
12230b0314
131399a305
14aa48480
1571708c7
hex4d1acc0

80850112 has 56 divisors (see below), whose sum is σ = 184343040. Its totient is φ = 34464000.

The previous prime is 80850097. The next prime is 80850137. The reversal of 80850112 is 21105808.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×808501122 = 13073481220825088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112089 + ... + 112807.

It is an arithmetic number, because the mean of its divisors is an integer number (3291840).

Almost surely, 280850112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80850112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92171520).

80850112 is an abundant number, since it is smaller than the sum of its proper divisors (103492928).

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

80850112 is a wasteful number, since it uses less digits than its factorization.

80850112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 80850112 is about 8991.6690330550. The cubic root of 80850112 is about 432.4078224711.

The spelling of 80850112 in words is "eighty million, eight hundred fifty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 251 448 502 719 1004 1438 1757 2008 2876 3514 4016 5033 5752 7028 8032 10066 11504 14056 16064 20132 23008 28112 40264 46016 56224 80528 112448 161056 180469 322112 360938 721876 1263283 1443752 2526566 2887504 5053132 5775008 10106264 11550016 20212528 40425056 80850112