Base | Representation |
---|---|
bin | 1000100111110011111101 |
3 | 11020211102220 |
4 | 20213303331 |
5 | 1034311341 |
6 | 120235553 |
7 | 25132365 |
oct | 10476375 |
9 | 4224386 |
10 | 2260221 |
11 | 1304157 |
12 | 90bbb9 |
13 | 611a12 |
14 | 42b9a5 |
15 | 2e9a66 |
hex | 227cfd |
2260221 has 12 divisors (see below), whose sum is σ = 3182112. Its totient is φ = 1426824.
The previous prime is 2260217. The next prime is 2260229. The reversal of 2260221 is 1220622.
It is not a de Polignac number, because 2260221 - 22 = 2260217 is a prime.
2260221 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2260221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2260229) 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, 40 + ... + 2126.
It is an arithmetic number, because the mean of its divisors is an integer number (265176).
22260221 is an apocalyptic number.
It is an amenable number.
2260221 is a deficient number, since it is larger than the sum of its proper divisors (921891).
2260221 is a wasteful number, since it uses less digits than its factorization.
2260221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2128 (or 2109 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2260221 is about 1503.4031395471. The cubic root of 2260221 is about 131.2351892585.
Adding to 2260221 its reverse (1220622), we get a palindrome (3480843).
The spelling of 2260221 in words is "two million, two hundred sixty thousand, two hundred twenty-one".
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