Base | Representation |
---|---|
bin | 1001111001000… |
… | …10110101110100 |
3 | 12210010211110012 |
4 | 10330202311310 |
5 | 132220331322 |
6 | 12122315352 |
7 | 2025214550 |
oct | 474426564 |
9 | 183124405 |
10 | 82980212 |
11 | 42927297 |
12 | 23958b58 |
13 | 14264a23 |
14 | b040860 |
15 | 7441ae2 |
hex | 4f22d74 |
82980212 has 24 divisors (see below), whose sum is σ = 167517504. Its totient is φ = 35229312.
The previous prime is 82980197. The next prime is 82980221. The reversal of 82980212 is 21208928.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10853 + ... + 16844.
It is an arithmetic number, because the mean of its divisors is an integer number (6979896).
Almost surely, 282980212 is an apocalyptic number.
It is an amenable number.
82980212 is an abundant number, since it is smaller than the sum of its proper divisors (84537292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82980212 is a wasteful number, since it uses less digits than its factorization.
82980212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27815 (or 27813 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 82980212 is about 9109.3475068196. The cubic root of 82980212 is about 436.1723990672.
The spelling of 82980212 in words is "eighty-two million, nine hundred eighty thousand, two hundred twelve".
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