Base | Representation |
---|---|
bin | 100110010100… |
… | …1100000100001 |
3 | 1101210211100202 |
4 | 1030221200201 |
5 | 20120433321 |
6 | 1554354545 |
7 | 332534030 |
oct | 114514041 |
9 | 41724322 |
10 | 20092961 |
11 | 10384159 |
12 | 688ba55 |
13 | 4216835 |
14 | 2950717 |
15 | 1b6d70b |
hex | 1329821 |
20092961 has 16 divisors (see below), whose sum is σ = 24616704. Its totient is φ = 16023744.
The previous prime is 20092957. The next prime is 20092979. The reversal of 20092961 is 16929002.
It is a cyclic number.
It is not a de Polignac number, because 20092961 - 22 = 20092957 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20092901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4271 + ... + 7643.
It is an arithmetic number, because the mean of its divisors is an integer number (1538544).
Almost surely, 220092961 is an apocalyptic number.
It is an amenable number.
20092961 is a deficient number, since it is larger than the sum of its proper divisors (4523743).
20092961 is a wasteful number, since it uses less digits than its factorization.
20092961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3440.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 20092961 is about 4482.5172615395. The cubic root of 20092961 is about 271.8616700383.
The spelling of 20092961 in words is "twenty million, ninety-two thousand, nine hundred sixty-one".
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