Base | Representation |
---|---|
bin | 100110010000… |
… | …1110001101111 |
3 | 1101202012220221 |
4 | 1030201301233 |
5 | 20113430140 |
6 | 1553552211 |
7 | 332342512 |
oct | 114416157 |
9 | 41665827 |
10 | 20061295 |
11 | 10362391 |
12 | 6875667 |
13 | 42052b7 |
14 | 2942d79 |
15 | 1b6414a |
hex | 1321c6f |
20061295 has 8 divisors (see below), whose sum is σ = 24528096. Its totient is φ = 15746016.
The previous prime is 20061281. The next prime is 20061311. The reversal of 20061295 is 59216002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20061295 - 29 = 20060783 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 37587 + ... + 38116.
It is an arithmetic number, because the mean of its divisors is an integer number (3066012).
Almost surely, 220061295 is an apocalyptic number.
20061295 is a deficient number, since it is larger than the sum of its proper divisors (4466801).
20061295 is an equidigital number, since it uses as much as digits as its factorization.
20061295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75761.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 20061295 is about 4478.9837016895. The cubic root of 20061295 is about 271.7187792351.
Adding to 20061295 its reverse (59216002), we get a palindrome (79277297).
The spelling of 20061295 in words is "twenty million, sixty-one thousand, two hundred ninety-five".
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