| Base | Representation |
|---|---|
| bin | 101010010011… |
| … | …011010000100 |
| 3 | 202212101222201 |
| 4 | 222103122010 |
| 5 | 10314331130 |
| 6 | 1033404244 |
| 7 | 163155010 |
| oct | 52233204 |
| 9 | 22771881 |
| 10 | 11089540 |
| 11 | 6294810 |
| 12 | 3869684 |
| 13 | 23b3777 |
| 14 | 1689540 |
| 15 | e90bca |
| hex | a93684 |
11089540 has 96 divisors (see below), whose sum is σ = 30643200. Its totient is φ = 3265920.
The previous prime is 11089531. The next prime is 11089549. The reversal of 11089540 is 4598011.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (11089531) and next prime (11089549).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 11089499 and 11089508.
It is not an unprimeable number, because it can be changed into a prime (11089549) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29071 + ... + 29449.
It is an arithmetic number, because the mean of its divisors is an integer number (319200).
Almost surely, 211089540 is an apocalyptic number.
11089540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11089540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15321600).
11089540 is an abundant number, since it is smaller than the sum of its proper divisors (19553660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11089540 is a wasteful number, since it uses less digits than its factorization.
11089540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425 (or 423 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 11089540 is about 3330.0960947096. The cubic root of 11089540 is about 222.9998190189. Note that the first 3 decimals are identical.
It can be divided in two parts, 1108 and 9540, that added together give a cube (10648 = 223).
The spelling of 11089540 in words is "eleven million, eighty-nine thousand, five hundred forty".
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