Base | Representation |
---|---|
bin | 100010011111… |
… | …0101011100000 |
3 | 1021000200120021 |
4 | 1010332223200 |
5 | 14112120103 |
6 | 1443323224 |
7 | 306461512 |
oct | 104765340 |
9 | 37020507 |
10 | 18082528 |
11 | a230742 |
12 | 6080514 |
13 | 3991729 |
14 | 2589bb2 |
15 | 18c2bbd |
hex | 113eae0 |
18082528 has 24 divisors (see below), whose sum is σ = 37474920. Its totient is φ = 8565120.
The previous prime is 18082511. The next prime is 18082541. The reversal of 18082528 is 82528081.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18082493 and 18082502.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14263 + ... + 15478.
It is an arithmetic number, because the mean of its divisors is an integer number (1561455).
Almost surely, 218082528 is an apocalyptic number.
It is an amenable number.
18082528 is an abundant number, since it is smaller than the sum of its proper divisors (19392392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18082528 is a wasteful number, since it uses less digits than its factorization.
18082528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29770 (or 29762 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 34.
The square root of 18082528 is about 4252.3555824978. The cubic root of 18082528 is about 262.4740557881.
The spelling of 18082528 in words is "eighteen million, eighty-two thousand, five hundred twenty-eight".
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