Base | Representation |
---|---|
bin | 1001110111111… |
… | …01101011111111 |
3 | 12202212002200212 |
4 | 10323331223333 |
5 | 132200444111 |
6 | 12115143035 |
7 | 2024012066 |
oct | 473755377 |
9 | 182762625 |
10 | 82828031 |
11 | 42832a20 |
12 | 238a4a7b |
13 | 14210690 |
14 | b0011dd |
15 | 741198b |
hex | 4efdaff |
82828031 has 16 divisors (see below), whose sum is σ = 100668960. Its totient is φ = 67105920.
The previous prime is 82828027. The next prime is 82828069. The reversal of 82828031 is 13082828.
It is a cyclic number.
It is not a de Polignac number, because 82828031 - 22 = 82828027 is a prime.
It is a super-2 number, since 2×828280312 = 13720965438673922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82828091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5840 + ... + 14133.
It is an arithmetic number, because the mean of its divisors is an integer number (6291810).
Almost surely, 282828031 is an apocalyptic number.
82828031 is a deficient number, since it is larger than the sum of its proper divisors (17840929).
82828031 is a wasteful number, since it uses less digits than its factorization.
82828031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20026.
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 82828031 is about 9100.9906603622. The cubic root of 82828031 is about 435.9055974247.
The spelling of 82828031 in words is "eighty-two million, eight hundred twenty-eight thousand, thirty-one".
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