Base | Representation |
---|---|
bin | 100110001100… |
… | …1011101101001 |
3 | 1101200111012200 |
4 | 1030121131221 |
5 | 20111332431 |
6 | 1553130413 |
7 | 332141313 |
oct | 114313551 |
9 | 41614180 |
10 | 20027241 |
11 | 10339843 |
12 | 6859a09 |
13 | 41c2950 |
14 | 29347b3 |
15 | 1b58ee6 |
hex | 1319769 |
20027241 has 24 divisors (see below), whose sum is σ = 32989320. Its totient is φ = 11598336.
The previous prime is 20027221. The next prime is 20027251. The reversal of 20027241 is 14272002.
It can be written as a sum of positive squares in 4 ways, for example, as 921600 + 19105641 = 960^2 + 4371^2 .
It is not a de Polignac number, because 20027241 - 26 = 20027177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20027221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3046 + ... + 7023.
It is an arithmetic number, because the mean of its divisors is an integer number (1374555).
Almost surely, 220027241 is an apocalyptic number.
It is an amenable number.
20027241 is a deficient number, since it is larger than the sum of its proper divisors (12962079).
20027241 is a wasteful number, since it uses less digits than its factorization.
20027241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10105 (or 10102 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 20027241 is about 4475.1805550167. The cubic root of 20027241 is about 271.5649448330.
Adding to 20027241 its reverse (14272002), we get a palindrome (34299243).
The spelling of 20027241 in words is "twenty million, twenty-seven thousand, two hundred forty-one".
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