Base | Representation |
---|---|
bin | 10000101111001… |
… | …100101010010010 |
3 | 201120101112021100 |
4 | 100233030222102 |
5 | 1033341324312 |
6 | 43510405230 |
7 | 6646554312 |
oct | 2057145222 |
9 | 646345240 |
10 | 280808082 |
11 | 1345662a5 |
12 | 7a060816 |
13 | 4623b439 |
14 | 29419442 |
15 | 199bc5dc |
hex | 10bcca92 |
280808082 has 24 divisors (see below), whose sum is σ = 612506700. Its totient is φ = 92973600.
The previous prime is 280808069. The next prime is 280808119.
280808082 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 2 ways, for example, as 279926361 + 881721 = 16731^2 + 939^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49669 + ... + 55032.
Almost surely, 2280808082 is an apocalyptic number.
280808082 is an abundant number, since it is smaller than the sum of its proper divisors (331698618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280808082 is a wasteful number, since it uses less digits than its factorization.
280808082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104858 (or 104855 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 36.
The square root of 280808082 is about 16757.3292024714. The cubic root of 280808082 is about 654.8420122816.
The spelling of 280808082 in words is "two hundred eighty million, eight hundred eight thousand, eighty-two".
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