Base | Representation |
---|---|
bin | 1001101000111… |
… | …10011000100100 |
3 | 12122011100122202 |
4 | 10310132120210 |
5 | 131200133204 |
6 | 12005114032 |
7 | 2001224306 |
oct | 464363044 |
9 | 178140582 |
10 | 80864804 |
11 | 41711a19 |
12 | 230b8918 |
13 | 139a3bc7 |
14 | aa4d976 |
15 | 7174e1e |
hex | 4d1e624 |
80864804 has 6 divisors (see below), whose sum is σ = 141513414. Its totient is φ = 40432400.
The previous prime is 80864761. The next prime is 80864809. The reversal of 80864804 is 40846808.
It can be written as a sum of positive squares in only one way, i.e., 58491904 + 22372900 = 7648^2 + 4730^2 .
It is not an unprimeable number, because it can be changed into a prime (80864809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10108097 + ... + 10108104.
It is an arithmetic number, because the mean of its divisors is an integer number (23585569).
Almost surely, 280864804 is an apocalyptic number.
It is an amenable number.
80864804 is a deficient number, since it is larger than the sum of its proper divisors (60648610).
80864804 is a wasteful number, since it uses less digits than its factorization.
80864804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20216205 (or 20216203 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 38.
The square root of 80864804 is about 8992.4859744122. The cubic root of 80864804 is about 432.4340131211.
The spelling of 80864804 in words is "eighty million, eight hundred sixty-four thousand, eight hundred four".
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