Base | Representation |
---|---|
bin | 110010011001… |
… | …001101001010 |
3 | 220212011022122 |
4 | 302121031022 |
5 | 11340213232 |
6 | 1151051242 |
7 | 220200260 |
oct | 62311512 |
9 | 26764278 |
10 | 13210442 |
11 | 7503223 |
12 | 4510b22 |
13 | 2976c3b |
14 | 1a7c430 |
15 | 125e312 |
hex | c9934a |
13210442 has 8 divisors (see below), whose sum is σ = 22646496. Its totient is φ = 5661612.
The previous prime is 13210427. The next prime is 13210447. The reversal of 13210442 is 24401231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13210442.
It is not an unprimeable number, because it can be changed into a prime (13210447) 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 3 ways as a sum of consecutive naturals, for example, 471788 + ... + 471815.
It is an arithmetic number, because the mean of its divisors is an integer number (2830812).
Almost surely, 213210442 is an apocalyptic number.
13210442 is a deficient number, since it is larger than the sum of its proper divisors (9436054).
13210442 is an equidigital number, since it uses as much as digits as its factorization.
13210442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943612.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 13210442 is about 3634.6171737887. The cubic root of 13210442 is about 236.3954516166.
Adding to 13210442 its reverse (24401231), we get a palindrome (37611673).
The spelling of 13210442 in words is "thirteen million, two hundred ten thousand, four hundred forty-two".
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