Base | Representation |
---|---|
bin | 100111101010… |
… | …1010110111110 |
3 | 1110010120221011 |
4 | 1033111112332 |
5 | 20310444422 |
6 | 2021425434 |
7 | 341525152 |
oct | 117252676 |
9 | 43116834 |
10 | 20796862 |
11 | 10814a99 |
12 | 6b6b27a |
13 | 4402048 |
14 | 2a95062 |
15 | 1c5c077 |
hex | 13d55be |
20796862 has 4 divisors (see below), whose sum is σ = 31195296. Its totient is φ = 10398430.
The previous prime is 20796817. The next prime is 20796869. The reversal of 20796862 is 26869702.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26869702 = 2 ⋅13434851.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20796869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199214 + ... + 5199217.
It is an arithmetic number, because the mean of its divisors is an integer number (7798824).
Almost surely, 220796862 is an apocalyptic number.
20796862 is a deficient number, since it is larger than the sum of its proper divisors (10398434).
20796862 is a wasteful number, since it uses less digits than its factorization.
20796862 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10398433.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 20796862 is about 4560.3576614121. The cubic root of 20796862 is about 274.9999426997. Note that the first 4 decimals are identical.
The spelling of 20796862 in words is "twenty million, seven hundred ninety-six thousand, eight hundred sixty-two".
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