Base | Representation |
---|---|
bin | 110010011111… |
… | …010000101001 |
3 | 220220102100010 |
4 | 302133100221 |
5 | 11342011431 |
6 | 1151402133 |
7 | 220332465 |
oct | 62372051 |
9 | 26812303 |
10 | 13235241 |
11 | 751a918 |
12 | 4523349 |
13 | 2985306 |
14 | 1a874a5 |
15 | 1266846 |
hex | c9f429 |
13235241 has 4 divisors (see below), whose sum is σ = 17646992. Its totient is φ = 8823492.
The previous prime is 13235237. The next prime is 13235269. The reversal of 13235241 is 14253231.
13235241 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14253231 = 3 ⋅4751077.
It is not a de Polignac number, because 13235241 - 22 = 13235237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13235221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205871 + ... + 2205876.
It is an arithmetic number, because the mean of its divisors is an integer number (4411748).
Almost surely, 213235241 is an apocalyptic number.
It is an amenable number.
13235241 is a deficient number, since it is larger than the sum of its proper divisors (4411751).
13235241 is an equidigital number, since it uses as much as digits as its factorization.
13235241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4411750.
The product of its digits is 720, while the sum is 21.
The square root of 13235241 is about 3638.0270752154. The cubic root of 13235241 is about 236.5432818026.
Adding to 13235241 its reverse (14253231), we get a palindrome (27488472).
The spelling of 13235241 in words is "thirteen million, two hundred thirty-five thousand, two hundred forty-one".
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