Base | Representation |
---|---|
bin | 101001111010… |
… | …110010010001 |
3 | 202200021122111 |
4 | 221322302101 |
5 | 10303114224 |
6 | 1031305321 |
7 | 162254665 |
oct | 51726221 |
9 | 22607574 |
10 | 10988689 |
11 | 6225a68 |
12 | 381b241 |
13 | 23798aa |
14 | 16608a5 |
15 | e70d94 |
hex | a7ac91 |
10988689 has 2 divisors, whose sum is σ = 10988690. Its totient is φ = 10988688.
The previous prime is 10988671. The next prime is 10988701. The reversal of 10988689 is 98688901.
It is a happy number.
10988689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5721664 + 5267025 = 2392^2 + 2295^2 .
It is an emirp because it is prime and its reverse (98688901) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10988689 - 25 = 10988657 is a prime.
It is not a weakly prime, because it can be changed into another prime (10988639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494344 + 5494345.
It is an arithmetic number, because the mean of its divisors is an integer number (5494345).
Almost surely, 210988689 is an apocalyptic number.
It is an amenable number.
10988689 is a deficient number, since it is larger than the sum of its proper divisors (1).
10988689 is an equidigital number, since it uses as much as digits as its factorization.
10988689 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 248832, while the sum is 49.
The square root of 10988689 is about 3314.9191543686. The cubic root of 10988689 is about 222.3217543116.
The spelling of 10988689 in words is "ten million, nine hundred eighty-eight thousand, six hundred eighty-nine".
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