Base | Representation |
---|---|
bin | 1001110110110… |
… | …10000100100001 |
3 | 12202120200120200 |
4 | 10323122010201 |
5 | 132131312040 |
6 | 12112055413 |
7 | 2022533550 |
oct | 473320441 |
9 | 182520520 |
10 | 82682145 |
11 | 42743357 |
12 | 23834569 |
13 | 1418c160 |
14 | ada3d97 |
15 | 73d3630 |
hex | 4eda121 |
82682145 has 96 divisors (see below), whose sum is σ = 179821824. Its totient is φ = 34214400.
The previous prime is 82682141. The next prime is 82682183. The reversal of 82682145 is 54128628.
It is not a de Polignac number, because 82682145 - 22 = 82682141 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (82682141) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 249630 + ... + 249960.
It is an arithmetic number, because the mean of its divisors is an integer number (1873144).
Almost surely, 282682145 is an apocalyptic number.
It is an amenable number.
82682145 is an abundant number, since it is smaller than the sum of its proper divisors (97139679).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82682145 is a wasteful number, since it uses less digits than its factorization.
82682145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423 (or 420 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 82682145 is about 9092.9722863319. The cubic root of 82682145 is about 435.6495251135.
The spelling of 82682145 in words is "eighty-two million, six hundred eighty-two thousand, one hundred forty-five".
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