Base | Representation |
---|---|
bin | 1001110101101… |
… | …00111100100101 |
3 | 12202021221222211 |
4 | 10322310330211 |
5 | 132111430320 |
6 | 12104523421 |
7 | 2021331331 |
oct | 472647445 |
9 | 182257884 |
10 | 82530085 |
11 | 4264a090 |
12 | 23780571 |
13 | 14137b91 |
14 | ad647c1 |
15 | 73a355a |
hex | 4eb4f25 |
82530085 has 32 divisors (see below), whose sum is σ = 113788800. Its totient is φ = 56904960.
The previous prime is 82530083. The next prime is 82530101. The reversal of 82530085 is 58003528.
It is not a de Polignac number, because 82530085 - 21 = 82530083 is a prime.
It is a super-2 number, since 2×825300852 = 13622429860214450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82530083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93667 + ... + 94543.
It is an arithmetic number, because the mean of its divisors is an integer number (3555900).
Almost surely, 282530085 is an apocalyptic number.
It is an amenable number.
82530085 is a deficient number, since it is larger than the sum of its proper divisors (31258715).
82530085 is a wasteful number, since it uses less digits than its factorization.
82530085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 981.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 82530085 is about 9084.6070360803. The cubic root of 82530085 is about 435.3822948329.
The spelling of 82530085 in words is "eighty-two million, five hundred thirty thousand, eighty-five".
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