Base | Representation |
---|---|
bin | 1001110001101… |
… | …01001001100001 |
3 | 12201022100221102 |
4 | 10320311021201 |
5 | 131443203000 |
6 | 12045404145 |
7 | 2014021241 |
oct | 470651141 |
9 | 181270842 |
10 | 82006625 |
11 | 42321878 |
12 | 23569655 |
13 | 13cb383c |
14 | ac69b21 |
15 | 72ed3d5 |
hex | 4e35261 |
82006625 has 16 divisors (see below), whose sum is σ = 105650688. Its totient is φ = 63486000.
The previous prime is 82006621. The next prime is 82006649. The reversal of 82006625 is 52660028.
It is not a de Polignac number, because 82006625 - 22 = 82006621 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82006621) 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, 6707 + ... + 14456.
It is an arithmetic number, because the mean of its divisors is an integer number (6603168).
Almost surely, 282006625 is an apocalyptic number.
It is an amenable number.
82006625 is a deficient number, since it is larger than the sum of its proper divisors (23644063).
82006625 is a wasteful number, since it uses less digits than its factorization.
82006625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21209 (or 21199 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 82006625 is about 9055.7509351793. The cubic root of 82006625 is about 434.4598483390.
The spelling of 82006625 in words is "eighty-two million, six thousand, six hundred twenty-five".
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