Base | Representation |
---|---|
bin | 10000000011100011111001 |
3 | 21220211111210 |
4 | 100003203321 |
5 | 2034141024 |
6 | 230113333 |
7 | 50526546 |
oct | 20034371 |
9 | 7824453 |
10 | 4208889 |
11 | 2415223 |
12 | 14ab849 |
13 | b44989 |
14 | 7b7bcd |
15 | 582129 |
hex | 4038f9 |
4208889 has 16 divisors (see below), whose sum is σ = 5795712. Its totient is φ = 2715648.
The previous prime is 4208887. The next prime is 4208891. The reversal of 4208889 is 9888024.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (4208887) and next prime (4208891).
It is not a de Polignac number, because 4208889 - 21 = 4208887 is a prime.
It is a super-2 number, since 2×42088892 = 35429493228642, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (4208887) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16249 + ... + 16505.
It is an arithmetic number, because the mean of its divisors is an integer number (362232).
Almost surely, 24208889 is an apocalyptic number.
It is an amenable number.
4208889 is a deficient number, since it is larger than the sum of its proper divisors (1586823).
4208889 is a wasteful number, since it uses less digits than its factorization.
4208889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416.
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 4208889 is about 2051.5577008702. The cubic root of 4208889 is about 161.4566079464.
The spelling of 4208889 in words is "four million, two hundred eight thousand, eight hundred eighty-nine".
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