Base | Representation |
---|---|
bin | 110011010010… |
… | …100101001111 |
3 | 221022002200211 |
4 | 303102211033 |
5 | 11420223310 |
6 | 1200103251 |
7 | 222166402 |
oct | 63224517 |
9 | 27262624 |
10 | 13445455 |
11 | 7653851 |
12 | 4604b27 |
13 | 2a29bba |
14 | 1addd39 |
15 | 12a8c8a |
hex | cd294f |
13445455 has 16 divisors (see below), whose sum is σ = 17233920. Its totient is φ = 10045728.
The previous prime is 13445429. The next prime is 13445459. The reversal of 13445455 is 55454431.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13445455 - 211 = 13443407 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13445459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586 + ... + 6304.
It is an arithmetic number, because the mean of its divisors is an integer number (1077120).
Almost surely, 213445455 is an apocalyptic number.
13445455 is a deficient number, since it is larger than the sum of its proper divisors (3788465).
13445455 is a wasteful number, since it uses less digits than its factorization.
13445455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2790.
The product of its digits is 24000, while the sum is 31.
The square root of 13445455 is about 3666.8044671076. The cubic root of 13445455 is about 237.7890405198.
Adding to 13445455 its reverse (55454431), we get a palindrome (68899886).
The spelling of 13445455 in words is "thirteen million, four hundred forty-five thousand, four hundred fifty-five".
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