Base | Representation |
---|---|
bin | 11110001011110011000 |
3 | 1212020202121 |
4 | 3301132120 |
5 | 223122310 |
6 | 33111024 |
7 | 11256421 |
oct | 3613630 |
9 | 1766677 |
10 | 989080 |
11 | 616124 |
12 | 3b8474 |
13 | 288271 |
14 | 1ba648 |
15 | 1480da |
hex | f1798 |
989080 has 32 divisors (see below), whose sum is σ = 2260800. Its totient is φ = 389376.
The previous prime is 989071. The next prime is 989081. The reversal of 989080 is 80989.
989080 is nontrivially palindromic in base 3.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (989081) 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 7 ways as a sum of consecutive naturals, for example, 3004 + ... + 3316.
It is an arithmetic number, because the mean of its divisors is an integer number (70650).
2989080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 989080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130400).
989080 is an abundant number, since it is smaller than the sum of its proper divisors (1271720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989080 is a wasteful number, since it uses less digits than its factorization.
989080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403 (or 399 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 989080 is about 994.5250122546. The cubic root of 989080 is about 99.6346669429.
The spelling of 989080 in words is "nine hundred eighty-nine thousand, eighty".
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