Base | Representation |
---|---|
bin | 1001110010000… |
… | …00110000101001 |
3 | 12201101210011220 |
4 | 10321000300221 |
5 | 132001213220 |
6 | 12050412253 |
7 | 2014310013 |
oct | 471006051 |
9 | 181353156 |
10 | 82054185 |
11 | 42354584 |
12 | 23591089 |
13 | 13ccc395 |
14 | ac7d1b3 |
15 | 730c540 |
hex | 4e40c29 |
82054185 has 16 divisors (see below), whose sum is σ = 131423040. Its totient is φ = 43716800.
The previous prime is 82054171. The next prime is 82054187. The reversal of 82054185 is 58145028.
It is not a de Polignac number, because 82054185 - 213 = 82045993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (82054187) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16210 + ... + 20660.
It is an arithmetic number, because the mean of its divisors is an integer number (8213940).
Almost surely, 282054185 is an apocalyptic number.
It is an amenable number.
82054185 is a deficient number, since it is larger than the sum of its proper divisors (49368855).
82054185 is a wasteful number, since it uses less digits than its factorization.
82054185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5688.
The product of its (nonzero) digits is 12800, while the sum is 33.
The square root of 82054185 is about 9058.3765101700. The cubic root of 82054185 is about 434.5438208927.
The spelling of 82054185 in words is "eighty-two million, fifty-four thousand, one hundred eighty-five".
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