Base | Representation |
---|---|
bin | 110010100001… |
… | …101010110111 |
3 | 220220220212200 |
4 | 302201222313 |
5 | 11342320421 |
6 | 1151515543 |
7 | 220403325 |
oct | 62415267 |
9 | 26826780 |
10 | 13245111 |
11 | 7527280 |
12 | 4528bb3 |
13 | 2989959 |
14 | 1a8ad15 |
15 | 1269726 |
hex | ca1ab7 |
13245111 has 24 divisors (see below), whose sum is σ = 20985744. Its totient is φ = 7983360.
The previous prime is 13245107. The next prime is 13245137. The reversal of 13245111 is 11154231.
13245111 = T33 + T34 + ... + T429.
It is not a de Polignac number, because 13245111 - 22 = 13245107 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13245151) 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 23 ways as a sum of consecutive naturals, for example, 33165 + ... + 33561.
It is an arithmetic number, because the mean of its divisors is an integer number (874406).
Almost surely, 213245111 is an apocalyptic number.
13245111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13245111 is a deficient number, since it is larger than the sum of its proper divisors (7740633).
13245111 is a wasteful number, since it uses less digits than its factorization.
13245111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751 (or 748 counting only the distinct ones).
The product of its digits is 120, while the sum is 18.
The square root of 13245111 is about 3639.3833268838. The cubic root of 13245111 is about 236.6020668316.
Adding to 13245111 its reverse (11154231), we get a palindrome (24399342).
The spelling of 13245111 in words is "thirteen million, two hundred forty-five thousand, one hundred eleven".
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