Base | Representation |
---|---|
bin | 100110000110… |
… | …111011010010 |
3 | 200210112111011 |
4 | 212012323102 |
5 | 10024133332 |
6 | 554041134 |
7 | 150624622 |
oct | 46067322 |
9 | 20715434 |
10 | 9989842 |
11 | 5703575 |
12 | 34191aa |
13 | 20ba065 |
14 | 1480882 |
15 | d24e47 |
hex | 986ed2 |
9989842 has 8 divisors (see below), whose sum is σ = 15196032. Its totient is φ = 4924500.
The previous prime is 9989827. The next prime is 9989849. The reversal of 9989842 is 2489899.
It is a happy number.
9989842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (9989849) 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, 35034 + ... + 35317.
It is an arithmetic number, because the mean of its divisors is an integer number (1899504).
Almost surely, 29989842 is an apocalyptic number.
9989842 is a deficient number, since it is larger than the sum of its proper divisors (5206190).
9989842 is a wasteful number, since it uses less digits than its factorization.
9989842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70424.
The product of its digits is 373248, while the sum is 49.
The square root of 9989842 is about 3160.6711312631. The cubic root of 9989842 is about 215.3704951300.
The spelling of 9989842 in words is "nine million, nine hundred eighty-nine thousand, eight hundred forty-two".
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