Base | Representation |
---|---|
bin | 1001110010011… |
… | …00111001101000 |
3 | 12201111022101122 |
4 | 10321030321220 |
5 | 132004311122 |
6 | 12051434412 |
7 | 2014605002 |
oct | 471147150 |
9 | 181438348 |
10 | 82103912 |
11 | 42388980 |
12 | 235b5a08 |
13 | 14018bc7 |
14 | ac93372 |
15 | 731c142 |
hex | 4e4ce68 |
82103912 has 16 divisors (see below), whose sum is σ = 167940000. Its totient is φ = 37319920.
The previous prime is 82103893. The next prime is 82103927. The reversal of 82103912 is 21930128.
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 3 ways as a sum of consecutive naturals, for example, 466412 + ... + 466587.
It is an arithmetic number, because the mean of its divisors is an integer number (10496250).
Almost surely, 282103912 is an apocalyptic number.
It is an amenable number.
82103912 is an abundant number, since it is smaller than the sum of its proper divisors (85836088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82103912 is a wasteful number, since it uses less digits than its factorization.
82103912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 933016 (or 933012 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 82103912 is about 9061.1209019635. The cubic root of 82103912 is about 434.6315848376.
The spelling of 82103912 in words is "eighty-two million, one hundred three thousand, nine hundred twelve".
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