Base | Representation |
---|---|
bin | 1001111000010… |
… | …11101111100101 |
3 | 12202222000200020 |
4 | 10330023233211 |
5 | 132204314410 |
6 | 12120305353 |
7 | 2024341665 |
oct | 474135745 |
9 | 182860606 |
10 | 82885605 |
11 | 42872200 |
12 | 23912259 |
13 | 1423094a |
14 | b0181a5 |
15 | 7423a70 |
hex | 4f0bbe5 |
82885605 has 24 divisors (see below), whose sum is σ = 145772256. Its totient is φ = 40186080.
The previous prime is 82885597. The next prime is 82885631. The reversal of 82885605 is 50658828.
It is not a de Polignac number, because 82885605 - 23 = 82885597 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21019 + ... + 24648.
It is an arithmetic number, because the mean of its divisors is an integer number (6073844).
Almost surely, 282885605 is an apocalyptic number.
It is an amenable number.
82885605 is a deficient number, since it is larger than the sum of its proper divisors (62886651).
82885605 is a wasteful number, since it uses less digits than its factorization.
82885605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45697 (or 45686 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 42.
The square root of 82885605 is about 9104.1531731403. The cubic root of 82885605 is about 436.0065737723.
The spelling of 82885605 in words is "eighty-two million, eight hundred eighty-five thousand, six hundred five".
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