Base | Representation |
---|---|
bin | 110010100001… |
… | …101100010011 |
3 | 220220221000002 |
4 | 302201230103 |
5 | 11342321303 |
6 | 1151520215 |
7 | 220403516 |
oct | 62415423 |
9 | 26827002 |
10 | 13245203 |
11 | 7527354 |
12 | 452906b |
13 | 29899ca |
14 | 1a8ad7d |
15 | 1269788 |
hex | ca1b13 |
13245203 has 2 divisors, whose sum is σ = 13245204. Its totient is φ = 13245202.
The previous prime is 13245187. The next prime is 13245233. The reversal of 13245203 is 30254231.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13245203 - 24 = 13245187 is a prime.
It is a super-2 number, since 2×132452032 = 350870805022418, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13245233) 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 as a sum of consecutive naturals, namely, 6622601 + 6622602.
It is an arithmetic number, because the mean of its divisors is an integer number (6622602).
Almost surely, 213245203 is an apocalyptic number.
13245203 is a deficient number, since it is larger than the sum of its proper divisors (1).
13245203 is an equidigital number, since it uses as much as digits as its factorization.
13245203 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 13245203 is about 3639.3959663658. The cubic root of 13245203 is about 236.6026146397.
Adding to 13245203 its reverse (30254231), we get a palindrome (43499434).
Subtracting 13245203 from its reverse (30254231), we obtain a triangular number (17009028 = T5832).
The spelling of 13245203 in words is "thirteen million, two hundred forty-five thousand, two hundred three".
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