Base | Representation |
---|---|
bin | 100111110101… |
… | …0011000010011 |
3 | 1110021222001002 |
4 | 1033222120103 |
5 | 20321223323 |
6 | 2023332215 |
7 | 342334163 |
oct | 117523023 |
9 | 43258032 |
10 | 20882963 |
11 | 10873752 |
12 | 6bb106b |
13 | 44322aa |
14 | 2ab85a3 |
15 | 1c77828 |
hex | 13ea613 |
20882963 has 4 divisors (see below), whose sum is σ = 20927040. Its totient is φ = 20838888.
The previous prime is 20882959. The next prime is 20882969. The reversal of 20882963 is 36928802.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20882963 - 22 = 20882959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20882969) 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, 21320 + ... + 22277.
It is an arithmetic number, because the mean of its divisors is an integer number (5231760).
Almost surely, 220882963 is an apocalyptic number.
20882963 is a deficient number, since it is larger than the sum of its proper divisors (44077).
20882963 is an equidigital number, since it uses as much as digits as its factorization.
20882963 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44076.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 20882963 is about 4569.7880694842. The cubic root of 20882963 is about 275.3789288650.
The spelling of 20882963 in words is "twenty million, eight hundred eighty-two thousand, nine hundred sixty-three".
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