Base | Representation |
---|---|
bin | 110010100011… |
… | …011000101111 |
3 | 220221021112010 |
4 | 302203120233 |
5 | 11343032033 |
6 | 1152012303 |
7 | 220432662 |
oct | 62433057 |
9 | 26837463 |
10 | 13252143 |
11 | 7531593 |
12 | 4531093 |
13 | 298cc08 |
14 | 1a8d6d9 |
15 | 126b863 |
hex | ca362f |
13252143 has 8 divisors (see below), whose sum is σ = 18100656. Its totient is φ = 8619200.
The previous prime is 13252133. The next prime is 13252157. The reversal of 13252143 is 34125231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13252143 - 212 = 13248047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13252123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53748 + ... + 53993.
It is an arithmetic number, because the mean of its divisors is an integer number (2262582).
Almost surely, 213252143 is an apocalyptic number.
13252143 is a deficient number, since it is larger than the sum of its proper divisors (4848513).
13252143 is a wasteful number, since it uses less digits than its factorization.
13252143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107785.
The product of its digits is 720, while the sum is 21.
The square root of 13252143 is about 3640.3492964275. The cubic root of 13252143 is about 236.6439311184.
Adding to 13252143 its reverse (34125231), we get a palindrome (47377374).
The spelling of 13252143 in words is "thirteen million, two hundred fifty-two thousand, one hundred forty-three".
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