Base | Representation |
---|---|
bin | 101111111110000… |
… | …100100101110000 |
3 | 2002002101010021000 |
4 | 233332010211300 |
5 | 3122012112010 |
6 | 211505402000 |
7 | 25641460152 |
oct | 5776044560 |
9 | 2062333230 |
10 | 804800880 |
11 | 38331a8a4 |
12 | 1a5639300 |
13 | ca974150 |
14 | 78c58ad2 |
15 | 4a9c47c0 |
hex | 2ff84970 |
804800880 has 160 divisors (see below), whose sum is σ = 2985433920. Its totient is φ = 198097920.
The previous prime is 804800863. The next prime is 804800911. The reversal of 804800880 is 88008408.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13750 + ... + 42410.
It is an arithmetic number, because the mean of its divisors is an integer number (18658962).
Almost surely, 2804800880 is an apocalyptic number.
804800880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 804800880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492716960).
804800880 is an abundant number, since it is smaller than the sum of its proper divisors (2180633040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804800880 is a wasteful number, since it uses less digits than its factorization.
804800880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28696 (or 28684 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 36.
The square root of 804800880 is about 28369.0126722803. The cubic root of 804800880 is about 930.1710403415.
The spelling of 804800880 in words is "eight hundred four million, eight hundred thousand, eight hundred eighty".
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