Base | Representation |
---|---|
bin | 110010101010… |
… | …001100011000 |
3 | 220222200202202 |
4 | 302222030120 |
5 | 11344430044 |
6 | 1152345332 |
7 | 220610162 |
oct | 62521430 |
9 | 26880682 |
10 | 13280024 |
11 | 755052a |
12 | 4545248 |
13 | 299c804 |
14 | 1a99932 |
15 | 1274c4e |
hex | caa318 |
13280024 has 16 divisors (see below), whose sum is σ = 24965520. Its totient is φ = 6622560.
The previous prime is 13280021. The next prime is 13280041. The reversal of 13280024 is 42008231.
It is a junction number, because it is equal to n+sod(n) for n = 13279978 and 13280005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13280021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397 + ... + 5339.
It is an arithmetic number, because the mean of its divisors is an integer number (1560345).
Almost surely, 213280024 is an apocalyptic number.
It is an amenable number.
13280024 is a deficient number, since it is larger than the sum of its proper divisors (11685496).
13280024 is a wasteful number, since it uses less digits than its factorization.
13280024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4370 (or 4366 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 13280024 is about 3644.1767245840. The cubic root of 13280024 is about 236.8097721649.
Adding to 13280024 its reverse (42008231), we get a palindrome (55288255).
The spelling of 13280024 in words is "thirteen million, two hundred eighty thousand, twenty-four".
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