Base | Representation |
---|---|
bin | 100001001111011… |
… | …1101111110101001 |
3 | 2212201211220221222 |
4 | 1002132331332221 |
5 | 4241021230231 |
6 | 302403111425 |
7 | 36432603101 |
oct | 10236757651 |
9 | 2781756858 |
10 | 1115414441 |
11 | 522693419 |
12 | 271672575 |
13 | 14a119b5b |
14 | a81d2201 |
15 | 67dcd27b |
hex | 427bdfa9 |
1115414441 has 6 divisors (see below), whose sum is σ = 1152557226. Its totient is φ = 1079432400.
The previous prime is 1115414431. The next prime is 1115414467. The reversal of 1115414441 is 1444145111.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 622752025 + 492662416 = 24955^2 + 22196^2 .
It is a de Polignac number, because none of the positive numbers 2k-1115414441 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1115414441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1115414401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579380 + ... + 581301.
It is an arithmetic number, because the mean of its divisors is an integer number (192092871).
Almost surely, 21115414441 is an apocalyptic number.
It is an amenable number.
1115414441 is a deficient number, since it is larger than the sum of its proper divisors (37142785).
1115414441 is an equidigital number, since it uses as much as digits as its factorization.
1115414441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160743 (or 1160712 counting only the distinct ones).
The product of its digits is 1280, while the sum is 26.
The square root of 1115414441 is about 33397.8209019690. The cubic root of 1115414441 is about 1037.0795907551.
Adding to 1115414441 its reverse (1444145111), we get a palindrome (2559559552).
The spelling of 1115414441 in words is "one billion, one hundred fifteen million, four hundred fourteen thousand, four hundred forty-one".
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