Base | Representation |
---|---|
bin | 1001101001000… |
… | …11011101111001 |
3 | 12122012102012220 |
4 | 10310203131321 |
5 | 131201320000 |
6 | 12005354253 |
7 | 2001342102 |
oct | 464433571 |
9 | 178172186 |
10 | 80885625 |
11 | 41726627 |
12 | 23108989 |
13 | 139b0522 |
14 | aa573a9 |
15 | 717b1a0 |
hex | 4d23779 |
80885625 has 40 divisors (see below), whose sum is σ = 136081440. Its totient is φ = 42720000.
The previous prime is 80885621. The next prime is 80885627. The reversal of 80885625 is 52658808.
It is not a de Polignac number, because 80885625 - 22 = 80885621 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80885621) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 335505 + ... + 335745.
It is an arithmetic number, because the mean of its divisors is an integer number (3402036).
Almost surely, 280885625 is an apocalyptic number.
It is an amenable number.
80885625 is a deficient number, since it is larger than the sum of its proper divisors (55195815).
80885625 is a wasteful number, since it uses less digits than its factorization.
80885625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443 (or 428 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 42.
The square root of 80885625 is about 8993.6435886686. The cubic root of 80885625 is about 432.4711241817.
The spelling of 80885625 in words is "eighty million, eight hundred eighty-five thousand, six hundred twenty-five".
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