Base | Representation |
---|---|
bin | 1000010001100101… |
… | …0111111001111110 |
3 | 12201210122212222102 |
4 | 2010121113321332 |
5 | 14022114302110 |
6 | 1004224545102 |
7 | 106021156055 |
oct | 20431277176 |
9 | 5653585872 |
10 | 2221244030 |
11 | a3a91a575 |
12 | 51ba82192 |
13 | 29525c0a5 |
14 | 17100b39c |
15 | d00165a5 |
hex | 84657e7e |
2221244030 has 16 divisors (see below), whose sum is σ = 4035607920. Its totient is φ = 880193472.
The previous prime is 2221243993. The next prime is 2221244033. The reversal of 2221244030 is 304421222.
It is a junction number, because it is equal to n+sod(n) for n = 2221243993 and 2221244011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221244033) 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, 1036895 + ... + 1039034.
It is an arithmetic number, because the mean of its divisors is an integer number (252225495).
Almost surely, 22221244030 is an apocalyptic number.
2221244030 is a deficient number, since it is larger than the sum of its proper divisors (1814363890).
2221244030 is a wasteful number, since it uses less digits than its factorization.
2221244030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2076043.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 2221244030 is about 47130.0756417810. The cubic root of 2221244030 is about 1304.7643776340.
Adding to 2221244030 its reverse (304421222), we get a palindrome (2525665252).
The spelling of 2221244030 in words is "two billion, two hundred twenty-one million, two hundred forty-four thousand, thirty".
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