Base | Representation |
---|---|
bin | 1000011100011011111100 |
3 | 11011110112020 |
4 | 20130123330 |
5 | 1031314003 |
6 | 115240140 |
7 | 24546504 |
oct | 10343374 |
9 | 4143466 |
10 | 2213628 |
11 | 128214a |
12 | 8a9050 |
13 | 5c6751 |
14 | 418a04 |
15 | 2dad53 |
hex | 21c6fc |
2213628 has 24 divisors (see below), whose sum is σ = 5344080. Its totient is φ = 712320.
The previous prime is 2213623. The next prime is 2213647. The reversal of 2213628 is 8263122.
It is a d-powerful number, because it can be written as 2 + 29 + 1 + 312 + 68 + 211 + 8 .
It is a junction number, because it is equal to n+sod(n) for n = 2213598 and 2213607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2213623) 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, 2833 + ... + 3528.
It is an arithmetic number, because the mean of its divisors is an integer number (222670).
22213628 is an apocalyptic number.
It is an amenable number.
2213628 is an abundant number, since it is smaller than the sum of its proper divisors (3130452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213628 is a wasteful number, since it uses less digits than its factorization.
2213628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6397 (or 6395 counting only the distinct ones).
The product of its digits is 1152, while the sum is 24.
The square root of 2213628 is about 1487.8266028002. The cubic root of 2213628 is about 130.3271444934.
The spelling of 2213628 in words is "two million, two hundred thirteen thousand, six hundred twenty-eight".
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