Base | Representation |
---|---|
bin | 110010011110… |
… | …100110010000 |
3 | 220220021121122 |
4 | 302132212100 |
5 | 11341420103 |
6 | 1151341412 |
7 | 220321541 |
oct | 62364620 |
9 | 26807548 |
10 | 13232528 |
11 | 7518881 |
12 | 4521868 |
13 | 2983cca |
14 | 1a864c8 |
15 | 1265b38 |
hex | c9e990 |
13232528 has 20 divisors (see below), whose sum is σ = 27146700. Its totient is φ = 6226944.
The previous prime is 13232507. The next prime is 13232537. The reversal of 13232528 is 82523231.
It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 5234944 = 2828^2 + 2288^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13232497 and 13232506.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 24053 + ... + 24596.
It is an arithmetic number, because the mean of its divisors is an integer number (1357335).
Almost surely, 213232528 is an apocalyptic number.
It is an amenable number.
13232528 is an abundant number, since it is smaller than the sum of its proper divisors (13914172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13232528 is a wasteful number, since it uses less digits than its factorization.
13232528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48674 (or 48668 counting only the distinct ones).
The product of its digits is 2880, while the sum is 26.
The square root of 13232528 is about 3637.6541891719. The cubic root of 13232528 is about 236.5271182440.
Adding to 13232528 its reverse (82523231), we get a palindrome (95755759).
The spelling of 13232528 in words is "thirteen million, two hundred thirty-two thousand, five hundred twenty-eight".
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