Base | Representation |
---|---|
bin | 100110100110… |
… | …1111111101101 |
3 | 1102002102101000 |
4 | 1031031333231 |
5 | 20140224123 |
6 | 2001510513 |
7 | 334025532 |
oct | 115157755 |
9 | 42072330 |
10 | 20242413 |
11 | 10476474 |
12 | 6942439 |
13 | 4269879 |
14 | 298cd89 |
15 | 1b9cb43 |
hex | 134dfed |
20242413 has 16 divisors (see below), whose sum is σ = 30067200. Its totient is φ = 13459680.
The previous prime is 20242373. The next prime is 20242433. The reversal of 20242413 is 31424202.
It is a de Polignac number, because none of the positive numbers 2k-20242413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20242433) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 13348 + ... + 14786.
It is an arithmetic number, because the mean of its divisors is an integer number (1879200).
Almost surely, 220242413 is an apocalyptic number.
It is an amenable number.
20242413 is a deficient number, since it is larger than the sum of its proper divisors (9824787).
20242413 is a wasteful number, since it uses less digits than its factorization.
20242413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1969 (or 1963 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 20242413 is about 4499.1569210242. The cubic root of 20242413 is about 272.5340439469.
Adding to 20242413 its reverse (31424202), we get a palindrome (51666615).
The spelling of 20242413 in words is "twenty million, two hundred forty-two thousand, four hundred thirteen".
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