Base | Representation |
---|---|
bin | 1001101001000… |
… | …11111110100000 |
3 | 12122012112002012 |
4 | 10310203332200 |
5 | 131201401322 |
6 | 12005412052 |
7 | 2001351143 |
oct | 464437640 |
9 | 178175065 |
10 | 80887712 |
11 | 41728154 |
12 | 2310a028 |
13 | 139b1469 |
14 | aa5805a |
15 | 717bae2 |
hex | 4d23fa0 |
80887712 has 24 divisors (see below), whose sum is σ = 167630400. Its totient is φ = 38314944.
The previous prime is 80887663. The next prime is 80887727. The reversal of 80887712 is 21778808.
It is a self number, because there is not a number n which added to its sum of digits gives 80887712.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65912 + ... + 67127.
It is an arithmetic number, because the mean of its divisors is an integer number (6984600).
Almost surely, 280887712 is an apocalyptic number.
It is an amenable number.
80887712 is an abundant number, since it is smaller than the sum of its proper divisors (86742688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80887712 is a wasteful number, since it uses less digits than its factorization.
80887712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133068 (or 133060 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 41.
The square root of 80887712 is about 8993.7596143104. The cubic root of 80887712 is about 432.4748436703.
The spelling of 80887712 in words is "eighty million, eight hundred eighty-seven thousand, seven hundred twelve".
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