Base | Representation |
---|---|
bin | 110010011110… |
… | …100000100001 |
3 | 220220021010001 |
4 | 302132200201 |
5 | 11341412121 |
6 | 1151340001 |
7 | 220320505 |
oct | 62364041 |
9 | 26807101 |
10 | 13232161 |
11 | 7518578 |
12 | 4521601 |
13 | 2983aa7 |
14 | 1a86305 |
15 | 1265991 |
hex | c9e821 |
13232161 has 2 divisors, whose sum is σ = 13232162. Its totient is φ = 13232160.
The previous prime is 13232147. The next prime is 13232203. The reversal of 13232161 is 16123231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11943936 + 1288225 = 3456^2 + 1135^2 .
It is a cyclic number.
It is not a de Polignac number, because 13232161 - 25 = 13232129 is a prime.
It is not a weakly prime, because it can be changed into another prime (13232561) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616080 + 6616081.
It is an arithmetic number, because the mean of its divisors is an integer number (6616081).
Almost surely, 213232161 is an apocalyptic number.
It is an amenable number.
13232161 is a deficient number, since it is larger than the sum of its proper divisors (1).
13232161 is an equidigital number, since it uses as much as digits as its factorization.
13232161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 216, while the sum is 19.
The square root of 13232161 is about 3637.6037442250. The cubic root of 13232161 is about 236.5249315554.
Adding to 13232161 its reverse (16123231), we get a palindrome (29355392).
The spelling of 13232161 in words is "thirteen million, two hundred thirty-two thousand, one hundred sixty-one".
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