Base | Representation |
---|---|
bin | 1001110111010… |
… | …01001011011001 |
3 | 12202200211110112 |
4 | 10323221023121 |
5 | 132140302100 |
6 | 12113254105 |
7 | 2023212140 |
oct | 473511331 |
9 | 182624415 |
10 | 82744025 |
11 | 427858a1 |
12 | 23864335 |
13 | 141b1380 |
14 | adbc757 |
15 | 73e6b35 |
hex | 4ee92d9 |
82744025 has 48 divisors (see below), whose sum is σ = 129825024. Its totient is φ = 50906880.
The previous prime is 82743979. The next prime is 82744033. The reversal of 82744025 is 52044728.
It is not a de Polignac number, because 82744025 - 28 = 82743769 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 82743982 and 82744000.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83684 + ... + 84666.
It is an arithmetic number, because the mean of its divisors is an integer number (2704688).
Almost surely, 282744025 is an apocalyptic number.
It is an amenable number.
82744025 is a deficient number, since it is larger than the sum of its proper divisors (47080999).
82744025 is a wasteful number, since it uses less digits than its factorization.
82744025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1050 (or 1045 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 82744025 is about 9096.3742776999. The cubic root of 82744025 is about 435.7581792460.
The spelling of 82744025 in words is "eighty-two million, seven hundred forty-four thousand, twenty-five".
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