Base | Representation |
---|---|
bin | 11010101010011001000110 |
3 | 111011002122000 |
4 | 122222121012 |
5 | 3242130012 |
6 | 405450130 |
7 | 113260131 |
oct | 32523106 |
9 | 14132560 |
10 | 6989382 |
11 | 3a44254 |
12 | 2410946 |
13 | 15a943a |
14 | cdd218 |
15 | 930ddc |
hex | 6aa646 |
6989382 has 32 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 2295720.
The previous prime is 6989369. The next prime is 6989383. The reversal of 6989382 is 2839896.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6989383) 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, 2923 + ... + 4745.
It is an arithmetic number, because the mean of its divisors is an integer number (492480).
Almost surely, 26989382 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6989382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7879680).
6989382 is an abundant number, since it is smaller than the sum of its proper divisors (8769978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6989382 is a wasteful number, since it uses less digits than its factorization.
6989382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1905 (or 1899 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 6989382 is about 2643.7439361633. The cubic root of 6989382 is about 191.1963478875.
The spelling of 6989382 in words is "six million, nine hundred eighty-nine thousand, three hundred eighty-two".
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