Base | Representation |
---|---|
bin | 1001110011001… |
… | …00101011000100 |
3 | 12201200020222000 |
4 | 10321210223010 |
5 | 132020420114 |
6 | 12053505300 |
7 | 2015461614 |
oct | 471445304 |
9 | 181606860 |
10 | 82201284 |
11 | 42445050 |
12 | 23642230 |
13 | 14051319 |
14 | acbaa44 |
15 | 733ae09 |
hex | 4e64ac4 |
82201284 has 48 divisors (see below), whose sum is σ = 232491840. Its totient is φ = 24909120.
The previous prime is 82201267. The next prime is 82201297. The reversal of 82201284 is 48210228.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33409 + ... + 35784.
It is an arithmetic number, because the mean of its divisors is an integer number (4843580).
Almost surely, 282201284 is an apocalyptic number.
It is an amenable number.
82201284 is an abundant number, since it is smaller than the sum of its proper divisors (150290556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82201284 is a wasteful number, since it uses less digits than its factorization.
82201284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69217 (or 69209 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 27.
The square root of 82201284 is about 9066.4923757758. The cubic root of 82201284 is about 434.8033355957.
The spelling of 82201284 in words is "eighty-two million, two hundred one thousand, two hundred eighty-four".
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