Base | Representation |
---|---|
bin | 1001111001000… |
… | …01011000000000 |
3 | 12210010112012211 |
4 | 10330201120000 |
5 | 132220133313 |
6 | 12122231504 |
7 | 2025161212 |
oct | 474413000 |
9 | 183115184 |
10 | 82974208 |
11 | 42922829 |
12 | 23955594 |
13 | 14262085 |
14 | b03c5b2 |
15 | 743ee3d |
hex | 4f21600 |
82974208 has 20 divisors (see below), whose sum is σ = 165787380. Its totient is φ = 41486848.
The previous prime is 82974193. The next prime is 82974247. The reversal of 82974208 is 80247928.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80518 + ... + 81541.
It is an arithmetic number, because the mean of its divisors is an integer number (8289369).
Almost surely, 282974208 is an apocalyptic number.
It is an amenable number.
82974208 is a deficient number, since it is larger than the sum of its proper divisors (82813172).
82974208 is an equidigital number, since it uses as much as digits as its factorization.
82974208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162077 (or 162061 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 82974208 is about 9109.0179492632. The cubic root of 82974208 is about 436.1618791204.
The spelling of 82974208 in words is "eighty-two million, nine hundred seventy-four thousand, two hundred eight".
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