Base | Representation |
---|---|
bin | 11101111100001100000 |
3 | 1211211210121 |
4 | 3233201200 |
5 | 222343323 |
6 | 33010024 |
7 | 11224213 |
oct | 3574140 |
9 | 1754717 |
10 | 981088 |
11 | 610119 |
12 | 3b3914 |
13 | 284734 |
14 | 1b777a |
15 | 145a5d |
hex | ef860 |
981088 has 48 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 443520.
The previous prime is 981077. The next prime is 981091. The reversal of 981088 is 880189.
981088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22795 + ... + 22837.
It is an arithmetic number, because the mean of its divisors is an integer number (44352).
2981088 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 981088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064448).
981088 is an abundant number, since it is smaller than the sum of its proper divisors (1147808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981088 is a wasteful number, since it uses less digits than its factorization.
981088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107 (or 99 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 34.
The square root of 981088 is about 990.4988642093. The cubic root of 981088 is about 99.3655836706.
The spelling of 981088 in words is "nine hundred eighty-one thousand, eighty-eight".
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