Base | Representation |
---|---|
bin | 101010000000… |
… | …010010101000 |
3 | 202201102120201 |
4 | 222000102220 |
5 | 10304324430 |
6 | 1032001544 |
7 | 162410512 |
oct | 52002250 |
9 | 22642521 |
10 | 11011240 |
11 | 62409a9 |
12 | 38302b4 |
13 | 2386c36 |
14 | 1668bb2 |
15 | e778ca |
hex | a804a8 |
11011240 has 32 divisors (see below), whose sum is σ = 26234280. Its totient is φ = 4145152.
The previous prime is 11011211. The next prime is 11011243. The reversal of 11011240 is 4211011.
It can be written as a sum of positive squares in 4 ways, for example, as 11009124 + 2116 = 3318^2 + 46^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (11011243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7417 + ... + 8776.
Almost surely, 211011240 is an apocalyptic number.
11011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11011240 is an abundant number, since it is smaller than the sum of its proper divisors (15223040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11011240 is a wasteful number, since it uses less digits than its factorization.
11011240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16221 (or 16217 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 11011240 is about 3318.3188514668. The cubic root of 11011240 is about 222.4737333804.
Adding to 11011240 its reverse (4211011), we get a palindrome (15222251).
The spelling of 11011240 in words is "eleven million, eleven thousand, two hundred forty".
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