Base | Representation |
---|---|
bin | 1000011110010100110010 |
3 | 11011212010200 |
4 | 20132110302 |
5 | 1032040422 |
6 | 115340030 |
7 | 24611163 |
oct | 10362462 |
9 | 4155120 |
10 | 2221362 |
11 | 1287a40 |
12 | 8b1616 |
13 | 5ca120 |
14 | 41b76a |
15 | 2dd2ac |
hex | 21e532 |
2221362 has 48 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 620640.
The previous prime is 2221343. The next prime is 2221379. The reversal of 2221362 is 2631222.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is a d-powerful number, because it can be written as 26 + 211 + 212 + 1 + 312 + 68 + 212 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143 + ... + 3005.
It is an arithmetic number, because the mean of its divisors is an integer number (117936).
22221362 is an apocalyptic number.
2221362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2221362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2830464).
2221362 is an abundant number, since it is smaller than the sum of its proper divisors (3439566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221362 is a wasteful number, since it uses less digits than its factorization.
2221362 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 895 (or 892 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 2221362 is about 1490.4234297675. The cubic root of 2221362 is about 130.4787475851.
Adding to 2221362 its reverse (2631222), we get a palindrome (4852584).
It can be divided in two parts, 22 and 21362, that multiplied together give a palindrome (469964).
The spelling of 2221362 in words is "two million, two hundred twenty-one thousand, three hundred sixty-two".
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