Base | Representation |
---|---|
bin | 100110100110… |
… | …1111111011011 |
3 | 1102002102100100 |
4 | 1031031333123 |
5 | 20140224040 |
6 | 2001510443 |
7 | 334025505 |
oct | 115157733 |
9 | 42072310 |
10 | 20242395 |
11 | 10476458 |
12 | 6942423 |
13 | 4269864 |
14 | 298cd75 |
15 | 1b9cb30 |
hex | 134dfdb |
20242395 has 24 divisors (see below), whose sum is σ = 35334000. Its totient is φ = 10719936.
The previous prime is 20242373. The next prime is 20242433. The reversal of 20242395 is 59324202.
It is not a de Polignac number, because 20242395 - 25 = 20242363 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5196 + ... + 8214.
It is an arithmetic number, because the mean of its divisors is an integer number (1472250).
Almost surely, 220242395 is an apocalyptic number.
20242395 is a deficient number, since it is larger than the sum of its proper divisors (15091605).
20242395 is a wasteful number, since it uses less digits than its factorization.
20242395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3179 (or 3176 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 20242395 is about 4499.1549206490. The cubic root of 20242395 is about 272.5339631657.
Adding to 20242395 its reverse (59324202), we get a palindrome (79566597).
The spelling of 20242395 in words is "twenty million, two hundred forty-two thousand, three hundred ninety-five".
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