Base | Representation |
---|---|
bin | 110101110100… |
… | …010001010000 |
3 | 222112202011110 |
4 | 311310101100 |
5 | 12102421403 |
6 | 1222213320 |
7 | 230625255 |
oct | 65642120 |
9 | 28482143 |
10 | 14107728 |
11 | 7a66388 |
12 | 4884240 |
13 | 2bcc48b |
14 | 1c3342c |
15 | 138a103 |
hex | d74450 |
14107728 has 80 divisors (see below), whose sum is σ = 39680000. Its totient is φ = 4302720.
The previous prime is 14107727. The next prime is 14107729. The reversal of 14107728 is 82770141.
It is an interprime number because it is at equal distance from previous prime (14107727) and next prime (14107729).
It is a junction number, because it is equal to n+sod(n) for n = 14107695 and 14107704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14107727) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28023 + ... + 28521.
It is an arithmetic number, because the mean of its divisors is an integer number (496000).
Almost surely, 214107728 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 14107728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19840000).
14107728 is an abundant number, since it is smaller than the sum of its proper divisors (25572272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14107728 is a wasteful number, since it uses less digits than its factorization.
14107728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560 (or 554 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 30.
The square root of 14107728 is about 3756.0255590185. The cubic root of 14107728 is about 241.6308375473.
Adding to 14107728 its reverse (82770141), we get a palindrome (96877869).
The spelling of 14107728 in words is "fourteen million, one hundred seven thousand, seven hundred twenty-eight".
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