Base | Representation |
---|---|
bin | 110011000010… |
… | …101010010011 |
3 | 221011210020120 |
4 | 303002222103 |
5 | 11411131433 |
6 | 1154441323 |
7 | 221505312 |
oct | 63025223 |
9 | 27153216 |
10 | 13380243 |
11 | 7609858 |
12 | 4593243 |
13 | 2a06306 |
14 | 1ac4279 |
15 | 12947b3 |
hex | cc2a93 |
13380243 has 16 divisors (see below), whose sum is σ = 18285696. Its totient is φ = 8700480.
The previous prime is 13380239. The next prime is 13380299. The reversal of 13380243 is 34208331.
13380243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13380243 - 22 = 13380239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13380203) 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 15 ways as a sum of consecutive naturals, for example, 23148 + ... + 23718.
It is an arithmetic number, because the mean of its divisors is an integer number (1142856).
Almost surely, 213380243 is an apocalyptic number.
13380243 is a deficient number, since it is larger than the sum of its proper divisors (4905453).
13380243 is a wasteful number, since it uses less digits than its factorization.
13380243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 13380243 is about 3657.9014475516. The cubic root of 13380243 is about 237.4039826089.
Adding to 13380243 its reverse (34208331), we get a palindrome (47588574).
The spelling of 13380243 in words is "thirteen million, three hundred eighty thousand, two hundred forty-three".
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