Base | Representation |
---|---|
bin | 100001001110110… |
… | …0110000010100000 |
3 | 2212201011121212012 |
4 | 1002131212002200 |
5 | 4240423213430 |
6 | 302351252052 |
7 | 36426542666 |
oct | 10235460240 |
9 | 2781147765 |
10 | 1115054240 |
11 | 522467833 |
12 | 27151a028 |
13 | 14a021c11 |
14 | a813ac36 |
15 | 67d5b695 |
hex | 427660a0 |
1115054240 has 24 divisors (see below), whose sum is σ = 2634316020. Its totient is φ = 446021632.
The previous prime is 1115054209. The next prime is 1115054249. The reversal of 1115054240 is 424505111.
It can be written as a sum of positive squares in 2 ways, for example, as 1092434704 + 22619536 = 33052^2 + 4756^2 .
It is not an unprimeable number, because it can be changed into a prime (1115054249) 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 3 ways as a sum of consecutive naturals, for example, 3484385 + ... + 3484704.
Almost surely, 21115054240 is an apocalyptic number.
1115054240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1115054240 is an abundant number, since it is smaller than the sum of its proper divisors (1519261780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1115054240 is an equidigital number, since it uses as much as digits as its factorization.
1115054240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6969104 (or 6969096 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 1115054240 is about 33392.4278841776. The cubic root of 1115054240 is about 1036.9679439657.
Adding to 1115054240 its reverse (424505111), we get a palindrome (1539559351).
The spelling of 1115054240 in words is "one billion, one hundred fifteen million, fifty-four thousand, two hundred forty".
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