Base | Representation |
---|---|
bin | 1001110100100… |
… | …00010011111001 |
3 | 12202000100011001 |
4 | 10322100103321 |
5 | 132042130100 |
6 | 12101405001 |
7 | 2020135000 |
oct | 472202371 |
9 | 182010131 |
10 | 82380025 |
11 | 42557372 |
12 | 23709761 |
13 | 140b47a0 |
14 | ad25c37 |
15 | 7373d6a |
hex | 4e904f9 |
82380025 has 48 divisors (see below), whose sum is σ = 128464000. Its totient is φ = 52073280.
The previous prime is 82380007. The next prime is 82380059. The reversal of 82380025 is 52008328.
It is not a de Polignac number, because 82380025 - 27 = 82379897 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 82379975 and 82380002.
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 47 ways as a sum of consecutive naturals, for example, 111106 + ... + 111844.
Almost surely, 282380025 is an apocalyptic number.
It is an amenable number.
82380025 is a deficient number, since it is larger than the sum of its proper divisors (46083975).
82380025 is a wasteful number, since it uses less digits than its factorization.
82380025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783 (or 764 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 82380025 is about 9076.3442530570. The cubic root of 82380025 is about 435.1182573624.
The spelling of 82380025 in words is "eighty-two million, three hundred eighty thousand, twenty-five".
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