Base | Representation |
---|---|
bin | 100000111000010… |
… | …0010000010101101 |
3 | 2211212221110200012 |
4 | 1001300202002231 |
5 | 4224412211024 |
6 | 301250143005 |
7 | 36224253125 |
oct | 10160420255 |
9 | 2755843605 |
10 | 1103241389 |
11 | 516829648 |
12 | 269581a65 |
13 | 147747173 |
14 | a6743c85 |
15 | 66cc650e |
hex | 41c220ad |
1103241389 has 4 divisors (see below), whose sum is σ = 1104911100. Its totient is φ = 1101571680.
The previous prime is 1103241383. The next prime is 1103241443. The reversal of 1103241389 is 9831423011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9831423011 = 47 ⋅209179213.
It can be written as a sum of positive squares in 2 ways, for example, as 308283364 + 794958025 = 17558^2 + 28195^2 .
It is a cyclic number.
It is not a de Polignac number, because 1103241389 - 212 = 1103237293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1103241383) 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, 833864 + ... + 835185.
It is an arithmetic number, because the mean of its divisors is an integer number (276227775).
Almost surely, 21103241389 is an apocalyptic number.
It is an amenable number.
1103241389 is a deficient number, since it is larger than the sum of its proper divisors (1669711).
1103241389 is an equidigital number, since it uses as much as digits as its factorization.
1103241389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1669710.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 1103241389 is about 33215.0777358717. The cubic root of 1103241389 is about 1033.2930670285.
The spelling of 1103241389 in words is "one billion, one hundred three million, two hundred forty-one thousand, three hundred eighty-nine".
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