Base | Representation |
---|---|
bin | 1001110010000… |
… | …00111011111001 |
3 | 12201101211011120 |
4 | 10321000323321 |
5 | 132001224110 |
6 | 12050415453 |
7 | 2014312062 |
oct | 471007371 |
9 | 181354146 |
10 | 82054905 |
11 | 42355079 |
12 | 23591589 |
13 | 13ccc7ca |
14 | ac7d569 |
15 | 730c870 |
hex | 4e40ef9 |
82054905 has 8 divisors (see below), whose sum is σ = 131287872. Its totient is φ = 43762608.
The previous prime is 82054883. The next prime is 82054909. The reversal of 82054905 is 50945028.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82054905 - 28 = 82054649 is a prime.
It is not an unprimeable number, because it can be changed into a prime (82054909) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735149 + ... + 2735178.
It is an arithmetic number, because the mean of its divisors is an integer number (16410984).
Almost surely, 282054905 is an apocalyptic number.
It is an amenable number.
82054905 is a deficient number, since it is larger than the sum of its proper divisors (49232967).
82054905 is a wasteful number, since it uses less digits than its factorization.
82054905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5470335.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 82054905 is about 9058.4162523037. The cubic root of 82054905 is about 434.5450918847.
The spelling of 82054905 in words is "eighty-two million, fifty-four thousand, nine hundred five".
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