Base | Representation |
---|---|
bin | 1000011011001010100111 |
3 | 11011012101110 |
4 | 20123022213 |
5 | 1031132143 |
6 | 115200103 |
7 | 24525360 |
oct | 10331247 |
9 | 4135343 |
10 | 2208423 |
11 | 1279248 |
12 | 8a6033 |
13 | 5c4279 |
14 | 416b67 |
15 | 2d9533 |
hex | 21b2a7 |
2208423 has 16 divisors (see below), whose sum is σ = 3401216. Its totient is φ = 1248480.
The previous prime is 2208421. The next prime is 2208431. The reversal of 2208423 is 3248022.
2208423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2208423 - 21 = 2208421 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 2208423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2208421) 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, 1653 + ... + 2673.
It is an arithmetic number, because the mean of its divisors is an integer number (212576).
22208423 is an apocalyptic number.
2208423 is a deficient number, since it is larger than the sum of its proper divisors (1192793).
2208423 is a wasteful number, since it uses less digits than its factorization.
2208423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1134.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 2208423 is about 1486.0763775796. The cubic root of 2208423 is about 130.2249163619.
The spelling of 2208423 in words is "two million, two hundred eight thousand, four hundred twenty-three".
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