Base | Representation |
---|---|
bin | 110010011011… |
… | …101000000001 |
3 | 220212122220201 |
4 | 302123220001 |
5 | 11341022403 |
6 | 1151205201 |
7 | 220241206 |
oct | 62335001 |
9 | 26778821 |
10 | 13220353 |
11 | 750a713 |
12 | 4516801 |
13 | 297b5c3 |
14 | 1a81cad |
15 | 126221d |
hex | c9ba01 |
13220353 has 8 divisors (see below), whose sum is σ = 13697280. Its totient is φ = 12746640.
The previous prime is 13220351. The next prime is 13220357. The reversal of 13220353 is 35302231.
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 13220353 - 21 = 13220351 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13220353.
It is not an unprimeable number, because it can be changed into a prime (13220351) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10143 + ... + 11371.
It is an arithmetic number, because the mean of its divisors is an integer number (1712160).
Almost surely, 213220353 is an apocalyptic number.
It is an amenable number.
13220353 is a deficient number, since it is larger than the sum of its proper divisors (476927).
13220353 is a wasteful number, since it uses less digits than its factorization.
13220353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1607.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 13220353 is about 3635.9803354804. The cubic root of 13220353 is about 236.4545546012.
Adding to 13220353 its reverse (35302231), we get a palindrome (48522584).
The spelling of 13220353 in words is "thirteen million, two hundred twenty thousand, three hundred fifty-three".
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