Base | Representation |
---|---|
bin | 1000011100001111100100 |
3 | 11011102102220 |
4 | 20130033210 |
5 | 1031302321 |
6 | 115232340 |
7 | 24544263 |
oct | 10341744 |
9 | 4142386 |
10 | 2212836 |
11 | 128159a |
12 | 8a86b0 |
13 | 5c6292 |
14 | 4185da |
15 | 2da9c6 |
hex | 21c3e4 |
2212836 has 24 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 725280.
The previous prime is 2212831. The next prime is 2212871. The reversal of 2212836 is 6382122.
It is a d-powerful number, because it can be written as 2 + 213 + 1 + 219 + 8 + 36 + 68 .
It is not an unprimeable number, because it can be changed into a prime (2212831) 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, 780 + ... + 2243.
It is an arithmetic number, because the mean of its divisors is an integer number (218736).
22212836 is an apocalyptic number.
It is an amenable number.
2212836 is an abundant number, since it is smaller than the sum of its proper divisors (3036828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212836 is a wasteful number, since it uses less digits than its factorization.
2212836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3091 (or 3089 counting only the distinct ones).
The product of its digits is 1152, while the sum is 24.
The square root of 2212836 is about 1487.5604189410. The cubic root of 2212836 is about 130.3115996637.
Adding to 2212836 its reverse (6382122), we get a palindrome (8594958).
The spelling of 2212836 in words is "two million, two hundred twelve thousand, eight hundred thirty-six".
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