Base | Representation |
---|---|
bin | 101010110101… |
… | …110000000100 |
3 | 210010112221210 |
4 | 222311300010 |
5 | 10333331322 |
6 | 1040411420 |
7 | 164312100 |
oct | 52656004 |
9 | 23115853 |
10 | 11230212 |
11 | 6380474 |
12 | 3916b70 |
13 | 24327c6 |
14 | 16c4900 |
15 | ebc70c |
hex | ab5c04 |
11230212 has 72 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 3151680.
The previous prime is 11230201. The next prime is 11230213. The reversal of 11230212 is 21203211.
It is a super-2 number, since 2×112302122 = 252235323129888, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (11230213) 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, 41614 + ... + 41882.
It is an arithmetic number, because the mean of its divisors is an integer number (430920).
Almost surely, 211230212 is an apocalyptic number.
11230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11230212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15513120).
11230212 is an abundant number, since it is smaller than the sum of its proper divisors (19796028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230212 is a wasteful number, since it uses less digits than its factorization.
11230212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361 (or 352 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 11230212 is about 3351.1508470972. The cubic root of 11230212 is about 223.9387853561.
Adding to 11230212 its reverse (21203211), we get a palindrome (32433423).
The spelling of 11230212 in words is "eleven million, two hundred thirty thousand, two hundred twelve".
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