Base | Representation |
---|---|
bin | 1001101000101… |
… | …00110111100100 |
3 | 12122002101012012 |
4 | 10310110313210 |
5 | 131142411303 |
6 | 12004213352 |
7 | 2001002546 |
oct | 464246744 |
9 | 178071165 |
10 | 80825828 |
11 | 41695706 |
12 | 2309a258 |
13 | 1398c245 |
14 | aa3d696 |
15 | 71685d8 |
hex | 4d14de4 |
80825828 has 12 divisors (see below), whose sum is σ = 141668352. Its totient is φ = 40349160.
The previous prime is 80825827. The next prime is 80825831. The reversal of 80825828 is 82852808.
It is not an unprimeable number, because it can be changed into a prime (80825827) by changing a digit.
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, 13028 + ... + 18203.
It is an arithmetic number, because the mean of its divisors is an integer number (11805696).
Almost surely, 280825828 is an apocalyptic number.
It is an amenable number.
80825828 is a deficient number, since it is larger than the sum of its proper divisors (60842524).
80825828 is a wasteful number, since it uses less digits than its factorization.
80825828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31882 (or 31880 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 41.
The square root of 80825828 is about 8990.3185705513. The cubic root of 80825828 is about 432.3645257137.
The spelling of 80825828 in words is "eighty million, eight hundred twenty-five thousand, eight hundred twenty-eight".
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