Base | Representation |
---|---|
bin | 1001100111110… |
… | …10000110111000 |
3 | 12121212210211111 |
4 | 10303322012320 |
5 | 131130404331 |
6 | 12002010104 |
7 | 2000035150 |
oct | 463720670 |
9 | 177783744 |
10 | 80716216 |
11 | 41620319 |
12 | 23046934 |
13 | 13951399 |
14 | aa11760 |
15 | 7145db1 |
hex | 4cfa1b8 |
80716216 has 16 divisors (see below), whose sum is σ = 172963440. Its totient is φ = 34592640.
The previous prime is 80716211. The next prime is 80716217. The reversal of 80716216 is 61261708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80716211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720625 + ... + 720736.
It is an arithmetic number, because the mean of its divisors is an integer number (10810215).
Almost surely, 280716216 is an apocalyptic number.
It is an amenable number.
80716216 is an abundant number, since it is smaller than the sum of its proper divisors (92247224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80716216 is a wasteful number, since it uses less digits than its factorization.
80716216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1441374 (or 1441370 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 80716216 is about 8984.2203891044. The cubic root of 80716216 is about 432.1689868147.
The spelling of 80716216 in words is "eighty million, seven hundred sixteen thousand, two hundred sixteen".
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