Base | Representation |
---|---|
bin | 110010100000… |
… | …111100010111 |
3 | 220220202210110 |
4 | 302200330113 |
5 | 11342222020 |
6 | 1151454103 |
7 | 220361544 |
oct | 62407427 |
9 | 26822713 |
10 | 13242135 |
11 | 7525015 |
12 | 4527333 |
13 | 29884aa |
14 | 1a89bcb |
15 | 12688e0 |
hex | ca0f17 |
13242135 has 32 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 6680960.
The previous prime is 13242121. The next prime is 13242157. The reversal of 13242135 is 53124231.
13242135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13242135 - 26 = 13242071 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45049 + ... + 45341.
It is an arithmetic number, because the mean of its divisors is an integer number (698544).
Almost surely, 213242135 is an apocalyptic number.
13242135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13242135 is a deficient number, since it is larger than the sum of its proper divisors (9111273).
13242135 is a wasteful number, since it uses less digits than its factorization.
13242135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 455.
The product of its digits is 720, while the sum is 21.
The square root of 13242135 is about 3638.9744434387. The cubic root of 13242135 is about 236.5843450600.
Adding to 13242135 its reverse (53124231), we get a palindrome (66366366).
The spelling of 13242135 in words is "thirteen million, two hundred forty-two thousand, one hundred thirty-five".
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