Base | Representation |
---|---|
bin | 1001110110111… |
… | …11001000100101 |
3 | 12202121202000211 |
4 | 10323133020211 |
5 | 132132443020 |
6 | 12112335421 |
7 | 2022651166 |
oct | 473371045 |
9 | 182552024 |
10 | 82702885 |
11 | 427579a1 |
12 | 23844571 |
13 | 14198725 |
14 | adab76d |
15 | 73d985a |
hex | 4edf225 |
82702885 has 16 divisors (see below), whose sum is σ = 104136192. Its totient is φ = 62971200.
The previous prime is 82702883. The next prime is 82702901. The reversal of 82702885 is 58820728.
It is not a de Polignac number, because 82702885 - 21 = 82702883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82702883) 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, 5082 + ... + 13828.
It is an arithmetic number, because the mean of its divisors is an integer number (6508512).
Almost surely, 282702885 is an apocalyptic number.
It is an amenable number.
82702885 is a deficient number, since it is larger than the sum of its proper divisors (21433307).
82702885 is a wasteful number, since it uses less digits than its factorization.
82702885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8844.
The product of its (nonzero) digits is 71680, while the sum is 40.
The square root of 82702885 is about 9094.1126559989. The cubic root of 82702885 is about 435.6859481961.
The spelling of 82702885 in words is "eighty-two million, seven hundred two thousand, eight hundred eighty-five".
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