Base | Representation |
---|---|
bin | 1001110010110… |
… | …11010100111101 |
3 | 12201121022110021 |
4 | 10321123110331 |
5 | 132013204010 |
6 | 12053012141 |
7 | 2015242201 |
oct | 471332475 |
9 | 181538407 |
10 | 82163005 |
11 | 42419311 |
12 | 23624051 |
13 | 14039a82 |
14 | acaab01 |
15 | 732e8da |
hex | 4e5b53d |
82163005 has 8 divisors (see below), whose sum is σ = 98646624. Its totient is φ = 65696400.
The previous prime is 82162999. The next prime is 82163009. The reversal of 82163005 is 50036128.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82163005 - 211 = 82160957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82163009) 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, 12090 + ... + 17620.
It is an arithmetic number, because the mean of its divisors is an integer number (12330828).
Almost surely, 282163005 is an apocalyptic number.
It is an amenable number.
82163005 is a deficient number, since it is larger than the sum of its proper divisors (16483619).
82163005 is a wasteful number, since it uses less digits than its factorization.
82163005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8507.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 82163005 is about 9064.3811151121. The cubic root of 82163005 is about 434.7358329149.
The spelling of 82163005 in words is "eighty-two million, one hundred sixty-three thousand, five".
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