Base | Representation |
---|---|
bin | 1001111001000… |
… | …10110111000000 |
3 | 12210010211120000 |
4 | 10330202313000 |
5 | 132220332123 |
6 | 12122320000 |
7 | 2025215016 |
oct | 474426700 |
9 | 183124500 |
10 | 82980288 |
11 | 42927356 |
12 | 23959000 |
13 | 14264a81 |
14 | b0408b6 |
15 | 7441b43 |
hex | 4f22dc0 |
82980288 has 70 divisors (see below), whose sum is σ = 245994936. Its totient is φ = 27658368.
The previous prime is 82980263. The next prime is 82980301. The reversal of 82980288 is 88208928.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2820 + ... + 13187.
Almost surely, 282980288 is an apocalyptic number.
It is an amenable number.
82980288 is an abundant number, since it is smaller than the sum of its proper divisors (163014648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82980288 is a wasteful number, since it uses less digits than its factorization.
82980288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16031 (or 16012 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 45.
The square root of 82980288 is about 9109.3516783578. The cubic root of 82980288 is about 436.1725322278.
The spelling of 82980288 in words is "eighty-two million, nine hundred eighty thousand, two hundred eighty-eight".
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