Base | Representation |
---|---|
bin | 100110100111… |
… | …0101000100000 |
3 | 1102002112221201 |
4 | 1031032220200 |
5 | 20140320044 |
6 | 2001530544 |
7 | 334036252 |
oct | 115165040 |
9 | 42075851 |
10 | 20245024 |
11 | 10478428 |
12 | 6943a54 |
13 | 426ab07 |
14 | 298dcd2 |
15 | 1b9d7d4 |
hex | 134ea20 |
20245024 has 24 divisors (see below), whose sum is σ = 40536720. Its totient is φ = 9950016.
The previous prime is 20245019. The next prime is 20245061. The reversal of 20245024 is 42054202.
It is a junction number, because it is equal to n+sod(n) for n = 20244992 and 20245010.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3474 + ... + 7249.
It is an arithmetic number, because the mean of its divisors is an integer number (1689030).
Almost surely, 220245024 is an apocalyptic number.
It is an amenable number.
20245024 is an abundant number, since it is smaller than the sum of its proper divisors (20291696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20245024 is a wasteful number, since it uses less digits than its factorization.
20245024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10792 (or 10784 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 19.
The square root of 20245024 is about 4499.4470771418. The cubic root of 20245024 is about 272.5457611895.
Adding to 20245024 its reverse (42054202), we get a palindrome (62299226).
The spelling of 20245024 in words is "twenty million, two hundred forty-five thousand, twenty-four".
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