Base | Representation |
---|---|
bin | 110010011001… |
… | …001001111000 |
3 | 220212011000212 |
4 | 302121021320 |
5 | 11340211412 |
6 | 1151050252 |
7 | 220166540 |
oct | 62311170 |
9 | 26764025 |
10 | 13210232 |
11 | 7503052 |
12 | 4510988 |
13 | 2976b09 |
14 | 1a7c320 |
15 | 125e222 |
hex | c99278 |
13210232 has 32 divisors (see below), whose sum is σ = 28425600. Its totient is φ = 5637984.
The previous prime is 13210213. The next prime is 13210237. The reversal of 13210232 is 23201231.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13210237) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 23183 + ... + 23745.
It is an arithmetic number, because the mean of its divisors is an integer number (888300).
Almost surely, 213210232 is an apocalyptic number.
It is an amenable number.
13210232 is an abundant number, since it is smaller than the sum of its proper divisors (15215368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13210232 is a wasteful number, since it uses less digits than its factorization.
13210232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 995 (or 991 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 13210232 is about 3634.5882847993. The cubic root of 13210232 is about 236.3941989886.
Adding to 13210232 its reverse (23201231), we get a palindrome (36411463).
Subtracting 13210232 from its reverse (23201231), we obtain a palindrome (9990999).
The spelling of 13210232 in words is "thirteen million, two hundred ten thousand, two hundred thirty-two".
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