Base | Representation |
---|---|
bin | 110001110010… |
… | …010101100001 |
3 | 220120001221000 |
4 | 301302111201 |
5 | 11320114413 |
6 | 1143422213 |
7 | 215635146 |
oct | 61622541 |
9 | 26501830 |
10 | 13051233 |
11 | 7404648 |
12 | 4454969 |
13 | 291c630 |
14 | 1a3a3cd |
15 | 122c073 |
hex | c72561 |
13051233 has 48 divisors (see below), whose sum is σ = 22189440. Its totient is φ = 7534944.
The previous prime is 13051229. The next prime is 13051237. The reversal of 13051233 is 33215031.
It is an interprime number because it is at equal distance from previous prime (13051229) and next prime (13051237).
It is not a de Polignac number, because 13051233 - 22 = 13051229 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13051237) 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 47 ways as a sum of consecutive naturals, for example, 126660 + ... + 126762.
It is an arithmetic number, because the mean of its divisors is an integer number (462280).
Almost surely, 213051233 is an apocalyptic number.
13051233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13051233 is a deficient number, since it is larger than the sum of its proper divisors (9138207).
13051233 is a wasteful number, since it uses less digits than its factorization.
13051233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163 (or 138 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 13051233 is about 3612.6490280679. The cubic root of 13051233 is about 235.4419508838.
Adding to 13051233 its reverse (33215031), we get a palindrome (46266264).
The spelling of 13051233 in words is "thirteen million, fifty-one thousand, two hundred thirty-three".
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