Base | Representation |
---|---|
bin | 110010101111… |
… | …000110110001 |
3 | 221000201100222 |
4 | 302233012301 |
5 | 11401101040 |
6 | 1153022425 |
7 | 221022635 |
oct | 62570661 |
9 | 27021328 |
10 | 13300145 |
11 | 7564661 |
12 | 4554a15 |
13 | 29a8a11 |
14 | 1aa2dc5 |
15 | 127abb5 |
hex | caf1b1 |
13300145 has 4 divisors (see below), whose sum is σ = 15960180. Its totient is φ = 10640112.
The previous prime is 13300139. The next prime is 13300153. The reversal of 13300145 is 54100331.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5527201 + 7772944 = 2351^2 + 2788^2 .
It is a cyclic number.
It is not a de Polignac number, because 13300145 - 24 = 13300129 is a prime.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1330010 + ... + 1330019.
It is an arithmetic number, because the mean of its divisors is an integer number (3990045).
Almost surely, 213300145 is an apocalyptic number.
It is an amenable number.
13300145 is a deficient number, since it is larger than the sum of its proper divisors (2660035).
13300145 is an equidigital number, since it uses as much as digits as its factorization.
13300145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2660034.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 13300145 is about 3646.9363855159. The cubic root of 13300145 is about 236.9293112307.
Adding to 13300145 its reverse (54100331), we get a palindrome (67400476).
The spelling of 13300145 in words is "thirteen million, three hundred thousand, one hundred forty-five".
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