Base | Representation |
---|---|
bin | 1000011110010101010011 |
3 | 11011212011220 |
4 | 20132111103 |
5 | 1032041040 |
6 | 115340123 |
7 | 24611241 |
oct | 10362523 |
9 | 4155156 |
10 | 2221395 |
11 | 1287a70 |
12 | 8b1643 |
13 | 5ca147 |
14 | 41b791 |
15 | 2dd2d0 |
hex | 21e553 |
2221395 has 16 divisors (see below), whose sum is σ = 3877632. Its totient is φ = 1076960.
The previous prime is 2221391. The next prime is 2221399. The reversal of 2221395 is 5931222.
2221395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2221391) and next prime (2221399).
It is not a de Polignac number, because 2221395 - 22 = 2221391 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2221391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567 + ... + 6896.
It is an arithmetic number, because the mean of its divisors is an integer number (242352).
22221395 is an apocalyptic number.
2221395 is a deficient number, since it is larger than the sum of its proper divisors (1656237).
2221395 is a wasteful number, since it uses less digits than its factorization.
2221395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13482.
The product of its digits is 1080, while the sum is 24.
The square root of 2221395 is about 1490.4345004058. The cubic root of 2221395 is about 130.4793937018.
The spelling of 2221395 in words is "two million, two hundred twenty-one thousand, three hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •