Base | Representation |
---|---|
bin | 11000100000000101101001 |
3 | 110002022112210 |
4 | 120200011221 |
5 | 3121013024 |
6 | 345355333 |
7 | 105410424 |
oct | 30400551 |
9 | 13068483 |
10 | 6422889 |
11 | 3697680 |
12 | 2198b49 |
13 | 143b635 |
14 | bd29bb |
15 | 86d129 |
hex | 620169 |
6422889 has 24 divisors (see below), whose sum is σ = 9985248. Its totient is φ = 3629440.
The previous prime is 6422849. The next prime is 6422903. The reversal of 6422889 is 9882246.
6422889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 6422889 - 27 = 6422761 is a prime.
It is an Ulam number.
It is a d-powerful number, because it can be written as 63 + 411 + 27 + 217 + 8 + 87 + 9 .
6422889 is a modest number, since divided by 2889 gives 642 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6422849) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59974 + ... + 60080.
It is an arithmetic number, because the mean of its divisors is an integer number (416052).
Almost surely, 26422889 is an apocalyptic number.
It is an amenable number.
6422889 is a deficient number, since it is larger than the sum of its proper divisors (3562359).
6422889 is a wasteful number, since it uses less digits than its factorization.
6422889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245 (or 138 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The square root of 6422889 is about 2534.3419264180. The cubic root of 6422889 is about 185.8846261025.
The spelling of 6422889 in words is "six million, four hundred twenty-two thousand, eight hundred eighty-nine".
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