Base | Representation |
---|---|
bin | 110011111111… |
… | …101110011101 |
3 | 221122111100100 |
4 | 303333232131 |
5 | 11442132430 |
6 | 1204051313 |
7 | 223566450 |
oct | 63775635 |
9 | 27574310 |
10 | 13630365 |
11 | 776a771 |
12 | 4693b39 |
13 | 2a93108 |
14 | 1b4b497 |
15 | 12e3960 |
hex | cffb9d |
13630365 has 24 divisors (see below), whose sum is σ = 27001728. Its totient is φ = 6230880.
The previous prime is 13630363. The next prime is 13630369. The reversal of 13630365 is 56303631.
It is not a de Polignac number, because 13630365 - 21 = 13630363 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13630363) 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, 21321 + ... + 21950.
It is an arithmetic number, because the mean of its divisors is an integer number (1125072).
Almost surely, 213630365 is an apocalyptic number.
13630365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13630365 is a deficient number, since it is larger than the sum of its proper divisors (13371363).
13630365 is a wasteful number, since it uses less digits than its factorization.
13630365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43289 (or 43286 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 27.
The square root of 13630365 is about 3691.9324208333. The cubic root of 13630365 is about 238.8741539697.
Adding to 13630365 its reverse (56303631), we get a palindrome (69933996).
The spelling of 13630365 in words is "thirteen million, six hundred thirty thousand, three hundred sixty-five".
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