Base | Representation |
---|---|
bin | 100110100111… |
… | …0011100010001 |
3 | 1102002111212201 |
4 | 1031032130101 |
5 | 20140303431 |
6 | 2001523201 |
7 | 334034053 |
oct | 115163421 |
9 | 42074781 |
10 | 20244241 |
11 | 10477886 |
12 | 6943501 |
13 | 426a654 |
14 | 298d8d3 |
15 | 1b9d461 |
hex | 134e711 |
20244241 has 8 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 19999680.
The previous prime is 20244239. The next prime is 20244247. The reversal of 20244241 is 14244202.
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 20244241 - 21 = 20244239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20244247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39996 + ... + 40498.
It is an arithmetic number, because the mean of its divisors is an integer number (2561328).
Almost surely, 220244241 is an apocalyptic number.
It is an amenable number.
20244241 is a deficient number, since it is larger than the sum of its proper divisors (246383).
20244241 is a wasteful number, since it uses less digits than its factorization.
20244241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 911.
The product of its (nonzero) digits is 512, while the sum is 19.
The square root of 20244241 is about 4499.3600656093. The cubic root of 20244241 is about 272.5422474688.
Adding to 20244241 its reverse (14244202), we get a palindrome (34488443).
The spelling of 20244241 in words is "twenty million, two hundred forty-four thousand, two hundred forty-one".
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