Base | Representation |
---|---|
bin | 1001100010110… |
… | …11010100001100 |
3 | 12120122202122011 |
4 | 10301123110030 |
5 | 130444101204 |
6 | 11540031004 |
7 | 1661356000 |
oct | 461332414 |
9 | 176582564 |
10 | 80065804 |
11 | 41216695 |
12 | 22992464 |
13 | 13784320 |
14 | a8c2700 |
15 | 7068304 |
hex | 4c5b50c |
80065804 has 72 divisors (see below), whose sum is σ = 178634400. Its totient is φ = 31201632.
The previous prime is 80065771. The next prime is 80065813. The reversal of 80065804 is 40856008.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1194979 + ... + 1195045.
Almost surely, 280065804 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 80065804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89317200).
80065804 is an abundant number, since it is smaller than the sum of its proper divisors (98568596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80065804 is a wasteful number, since it uses less digits than its factorization.
80065804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172 (or 89 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 80065804 is about 8947.9497092910. The cubic root of 80065804 is about 431.0050476456.
The spelling of 80065804 in words is "eighty million, sixty-five thousand, eight hundred four".
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