Base | Representation |
---|---|
bin | 1001101000011… |
… | …00100110001000 |
3 | 12122000122201020 |
4 | 10310030212020 |
5 | 131140320234 |
6 | 12003352440 |
7 | 2000502012 |
oct | 464144610 |
9 | 178018636 |
10 | 80791944 |
11 | 41672202 |
12 | 23082720 |
13 | 139799ac |
14 | aa311b2 |
15 | 715d549 |
hex | 4d0c988 |
80791944 has 32 divisors (see below), whose sum is σ = 202201920. Its totient is φ = 26901056.
The previous prime is 80791927. The next prime is 80791987. The reversal of 80791944 is 44919708.
It is a junction number, because it is equal to n+sod(n) for n = 80791896 and 80791905.
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, 37669 + ... + 39755.
It is an arithmetic number, because the mean of its divisors is an integer number (6318810).
Almost surely, 280791944 is an apocalyptic number.
It is an amenable number.
80791944 is an abundant number, since it is smaller than the sum of its proper divisors (121409976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80791944 is a wasteful number, since it uses less digits than its factorization.
80791944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3709 (or 3705 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 80791944 is about 8988.4339014091. The cubic root of 80791944 is about 432.3040982997.
The spelling of 80791944 in words is "eighty million, seven hundred ninety-one thousand, nine hundred forty-four".
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