Base | Representation |
---|---|
bin | 1000011110010000001100 |
3 | 11011211201210 |
4 | 20132100030 |
5 | 1032033233 |
6 | 115334420 |
7 | 24610263 |
oct | 10362014 |
9 | 4154653 |
10 | 2221068 |
11 | 12877a3 |
12 | 8b1410 |
13 | 5c9c55 |
14 | 41b5da |
15 | 2dd163 |
hex | 21e40c |
2221068 has 12 divisors (see below), whose sum is σ = 5182520. Its totient is φ = 740352.
The previous prime is 2221061. The next prime is 2221069. The reversal of 2221068 is 8601222.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (2221061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92533 + ... + 92556.
22221068 is an apocalyptic number.
It is an amenable number.
2221068 is an abundant number, since it is smaller than the sum of its proper divisors (2961452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221068 is a wasteful number, since it uses less digits than its factorization.
2221068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185096 (or 185094 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 2221068 is about 1490.3247968144. The cubic root of 2221068 is about 130.4729909901.
The spelling of 2221068 in words is "two million, two hundred twenty-one thousand, sixty-eight".
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