Base | Representation |
---|---|
bin | 100111011111… |
… | …0100101010000 |
3 | 1102221211221211 |
4 | 1032332211100 |
5 | 20300003233 |
6 | 2015425504 |
7 | 340656154 |
oct | 116764520 |
9 | 42854854 |
10 | 20703568 |
11 | 10760996 |
12 | 6b25294 |
13 | 439b742 |
14 | 2a6d064 |
15 | 1c3e5cd |
hex | 13be950 |
20703568 has 20 divisors (see below), whose sum is σ = 40189888. Its totient is φ = 10332000.
The previous prime is 20703563. The next prime is 20703589. The reversal of 20703568 is 86530702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20703563) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 11155 + ... + 12877.
Almost surely, 220703568 is an apocalyptic number.
It is an amenable number.
20703568 is a deficient number, since it is larger than the sum of its proper divisors (19486320).
20703568 is a wasteful number, since it uses less digits than its factorization.
20703568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 20703568 is about 4550.1173611238. The cubic root of 20703568 is about 274.5881128718.
The spelling of 20703568 in words is "twenty million, seven hundred three thousand, five hundred sixty-eight".
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