Base | Representation |
---|---|
bin | 1000011011110110011110 |
3 | 11011100020102 |
4 | 20123312132 |
5 | 1031224410 |
6 | 115221102 |
7 | 24536510 |
oct | 10336636 |
9 | 4140212 |
10 | 2211230 |
11 | 128036a |
12 | 8a7792 |
13 | 5c5628 |
14 | 417bb0 |
15 | 2da2a5 |
hex | 21bd9e |
2211230 has 32 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 732960.
The previous prime is 2211227. The next prime is 2211233. The reversal of 2211230 is 321122.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2211227) and next prime (2211233).
It is a super-2 number, since 2×22112302 = 9779076225800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2211233) 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 15 ways as a sum of consecutive naturals, for example, 1661 + ... + 2679.
It is an arithmetic number, because the mean of its divisors is an integer number (146880).
22211230 is an apocalyptic number.
2211230 is an abundant number, since it is smaller than the sum of its proper divisors (2488930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2211230 is a wasteful number, since it uses less digits than its factorization.
2211230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 2211230 is about 1487.0205109547. The cubic root of 2211230 is about 130.2800668134.
Adding to 2211230 its reverse (321122), we get a palindrome (2532352).
The spelling of 2211230 in words is "two million, two hundred eleven thousand, two hundred thirty".
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