Base | Representation |
---|---|
bin | 100111110110… |
… | …1100111010000 |
3 | 1110022122012122 |
4 | 1033231213100 |
5 | 20322134313 |
6 | 2023513412 |
7 | 342420614 |
oct | 117554720 |
9 | 43278178 |
10 | 20896208 |
11 | 108826a3 |
12 | 6bb8868 |
13 | 4438328 |
14 | 2abd344 |
15 | 1c7b708 |
hex | 13ed9d0 |
20896208 has 20 divisors (see below), whose sum is σ = 40588548. Its totient is φ = 10421760.
The previous prime is 20896171. The next prime is 20896243. The reversal of 20896208 is 80269802.
It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 13454224 = 2728^2 + 3668^2 .
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
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, 5960 + ... + 8792.
Almost surely, 220896208 is an apocalyptic number.
It is an amenable number.
20896208 is a deficient number, since it is larger than the sum of its proper divisors (19692340).
20896208 is a wasteful number, since it uses less digits than its factorization.
20896208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3302 (or 3296 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 20896208 is about 4571.2370317016. The cubic root of 20896208 is about 275.4371361712.
The spelling of 20896208 in words is "twenty million, eight hundred ninety-six thousand, two hundred eight".
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