Base | Representation |
---|---|
bin | 100111100100… |
… | …1111110100001 |
3 | 1110001012222110 |
4 | 1033021332201 |
5 | 20303001431 |
6 | 2020425533 |
7 | 341242221 |
oct | 117117641 |
9 | 43035873 |
10 | 20750241 |
11 | 10792a66 |
12 | 6b482a9 |
13 | 43b6a65 |
14 | 2a82081 |
15 | 1c4d346 |
hex | 13c9fa1 |
20750241 has 12 divisors (see below), whose sum is σ = 28158032. Its totient is φ = 13592184.
The previous prime is 20750239. The next prime is 20750263. The reversal of 20750241 is 14205702.
It is not a de Polignac number, because 20750241 - 21 = 20750239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20750201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9450 + ... + 11436.
Almost surely, 220750241 is an apocalyptic number.
It is an amenable number.
20750241 is a deficient number, since it is larger than the sum of its proper divisors (7407791).
20750241 is an equidigital number, since it uses as much as digits as its factorization.
20750241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2108 (or 2049 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 20750241 is about 4555.2432426820. The cubic root of 20750241 is about 274.7942968588.
Adding to 20750241 its reverse (14205702), we get a palindrome (34955943).
The spelling of 20750241 in words is "twenty million, seven hundred fifty thousand, two hundred forty-one".
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