Base | Representation |
---|---|
bin | 110001101011… |
… | …100000001011 |
3 | 220111122112100 |
4 | 301223200023 |
5 | 11313220433 |
6 | 1143044443 |
7 | 215460432 |
oct | 61534013 |
9 | 26448470 |
10 | 13023243 |
11 | 7395612 |
12 | 4440723 |
13 | 290c97c |
14 | 1a30119 |
15 | 1223b13 |
hex | c6b80b |
13023243 has 12 divisors (see below), whose sum is σ = 18998928. Its totient is φ = 8595600.
The previous prime is 13023203. The next prime is 13023251. The reversal of 13023243 is 34232031.
It is not a de Polignac number, because 13023243 - 220 = 11974667 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13023203) 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 11 ways as a sum of consecutive naturals, for example, 6255 + ... + 8072.
It is an arithmetic number, because the mean of its divisors is an integer number (1583244).
Almost surely, 213023243 is an apocalyptic number.
13023243 is a deficient number, since it is larger than the sum of its proper divisors (5975685).
13023243 is a wasteful number, since it uses less digits than its factorization.
13023243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14434 (or 14431 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 13023243 is about 3608.7730601965. The cubic root of 13023243 is about 235.2735188573.
Adding to 13023243 its reverse (34232031), we get a palindrome (47255274).
The spelling of 13023243 in words is "thirteen million, twenty-three thousand, two hundred forty-three".
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