Base | Representation |
---|---|
bin | 100110001110… |
… | …1010111101110 |
3 | 1101201022011110 |
4 | 1030131113232 |
5 | 20112340441 |
6 | 1553332450 |
7 | 332236056 |
oct | 114352756 |
9 | 41638143 |
10 | 20043246 |
11 | 1034a873 |
12 | 6867126 |
13 | 41ca012 |
14 | 293a566 |
15 | 1b5db16 |
hex | 131d5ee |
20043246 has 16 divisors (see below), whose sum is σ = 41019264. Its totient is φ = 6525624.
The previous prime is 20043241. The next prime is 20043253. The reversal of 20043246 is 64234002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20043241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38586 + ... + 39101.
It is an arithmetic number, because the mean of its divisors is an integer number (2563704).
Almost surely, 220043246 is an apocalyptic number.
20043246 is an abundant number, since it is smaller than the sum of its proper divisors (20976018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20043246 is a wasteful number, since it uses less digits than its factorization.
20043246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77735.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 20043246 is about 4476.9683939023. The cubic root of 20043246 is about 271.6372669872.
Adding to 20043246 its reverse (64234002), we get a palindrome (84277248).
The spelling of 20043246 in words is "twenty million, forty-three thousand, two hundred forty-six".
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