Base | Representation |
---|---|
bin | 110011010010… |
… | …000000100001 |
3 | 221021222110210 |
4 | 303102000201 |
5 | 11420134410 |
6 | 1200044333 |
7 | 222156504 |
oct | 63220041 |
9 | 27258423 |
10 | 13443105 |
11 | 7652005 |
12 | 46036a9 |
13 | 2a28b00 |
14 | 1add13b |
15 | 12a8220 |
hex | cd2021 |
13443105 has 24 divisors (see below), whose sum is σ = 23295168. Its totient is φ = 6616896.
The previous prime is 13443103. The next prime is 13443113. The reversal of 13443105 is 50134431.
It is not a de Polignac number, because 13443105 - 21 = 13443103 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13443103) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117 + ... + 5186.
It is an arithmetic number, because the mean of its divisors is an integer number (970632).
Almost surely, 213443105 is an apocalyptic number.
13443105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13443105 is a deficient number, since it is larger than the sum of its proper divisors (9852063).
13443105 is a wasteful number, since it uses less digits than its factorization.
13443105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5337 (or 5324 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 13443105 is about 3666.4840106020. The cubic root of 13443105 is about 237.7751861032.
Adding to 13443105 its reverse (50134431), we get a palindrome (63577536).
The spelling of 13443105 in words is "thirteen million, four hundred forty-three thousand, one hundred five".
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