Base | Representation |
---|---|
bin | 110010011000… |
… | …011100101010 |
3 | 220212000001200 |
4 | 302120130222 |
5 | 11340113323 |
6 | 1151025030 |
7 | 220155234 |
oct | 62303452 |
9 | 26760050 |
10 | 13207338 |
11 | 7500961 |
12 | 450b176 |
13 | 29756c1 |
14 | 1a7b254 |
15 | 125d443 |
hex | c9872a |
13207338 has 12 divisors (see below), whose sum is σ = 28615938. Its totient is φ = 4402440.
The previous prime is 13207307. The next prime is 13207343. The reversal of 13207338 is 83370231.
13207338 is a `hidden beast` number, since 1 + 320 + 7 + 338 = 666.
It can be written as a sum of positive squares in only one way, i.e., 13198689 + 8649 = 3633^2 + 93^2 .
It is an unprimeable number.
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 in 5 ways as a sum of consecutive naturals, for example, 366853 + ... + 366888.
Almost surely, 213207338 is an apocalyptic number.
13207338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13207338 is an abundant number, since it is smaller than the sum of its proper divisors (15408600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13207338 is a wasteful number, since it uses less digits than its factorization.
13207338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 733749 (or 733746 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 13207338 is about 3634.1901436221. The cubic root of 13207338 is about 236.3769352299.
Adding to 13207338 its reverse (83370231), we get a palindrome (96577569).
The spelling of 13207338 in words is "thirteen million, two hundred seven thousand, three hundred thirty-eight".
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