Base | Representation |
---|---|
bin | 110100100110… |
… | …010010111001 |
3 | 221221112001110 |
4 | 310212102321 |
5 | 12012211340 |
6 | 1211310533 |
7 | 225125154 |
oct | 64462271 |
9 | 27845043 |
10 | 13788345 |
11 | 786842a |
12 | 474b449 |
13 | 2b19cac |
14 | 1b8cc9b |
15 | 1325680 |
hex | d264b9 |
13788345 has 8 divisors (see below), whose sum is σ = 22061376. Its totient is φ = 7353776.
The previous prime is 13788329. The next prime is 13788347. The reversal of 13788345 is 54388731.
13788345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 13788345 - 24 = 13788329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13788347) 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, 459597 + ... + 459626.
It is an arithmetic number, because the mean of its divisors is an integer number (2757672).
Almost surely, 213788345 is an apocalyptic number.
13788345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13788345 is a deficient number, since it is larger than the sum of its proper divisors (8273031).
13788345 is an equidigital number, since it uses as much as digits as its factorization.
13788345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 919231.
The product of its digits is 80640, while the sum is 39.
The square root of 13788345 is about 3713.2660825747. The cubic root of 13788345 is about 239.7934855445.
The spelling of 13788345 in words is "thirteen million, seven hundred eighty-eight thousand, three hundred forty-five".
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