Base | Representation |
---|---|
bin | 1000010001100001… |
… | …1101010111010001 |
3 | 12201210012201001100 |
4 | 2010120131113101 |
5 | 14022034113431 |
6 | 1004215455013 |
7 | 106016140011 |
oct | 20430352721 |
9 | 5653181040 |
10 | 2221004241 |
11 | a3a7763a5 |
12 | 51b987469 |
13 | 2951a6bc1 |
14 | 170d87c41 |
15 | ceeba4e6 |
hex | 8461d5d1 |
2221004241 has 24 divisors (see below), whose sum is σ = 3249628200. Its totient is φ = 1461600000.
The previous prime is 2221004209. The next prime is 2221004249. The reversal of 2221004241 is 1424001222.
It can be written as a sum of positive squares in 4 ways, for example, as 1073217600 + 1147786641 = 32760^2 + 33879^2 .
It is not a de Polignac number, because 2221004241 - 25 = 2221004209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2221004249) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313741 + ... + 320741.
It is an arithmetic number, because the mean of its divisors is an integer number (135401175).
Almost surely, 22221004241 is an apocalyptic number.
It is an amenable number.
2221004241 is a deficient number, since it is larger than the sum of its proper divisors (1028623959).
2221004241 is a wasteful number, since it uses less digits than its factorization.
2221004241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7457 (or 7454 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 2221004241 is about 47127.5316667444. The cubic root of 2221004241 is about 1304.7174250555.
Adding to 2221004241 its reverse (1424001222), we get a palindrome (3645005463).
The spelling of 2221004241 in words is "two billion, two hundred twenty-one million, four thousand, two hundred forty-one".
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