Base | Representation |
---|---|
bin | 11111000011011000011011 |
3 | 120022120102011 |
4 | 133003120123 |
5 | 4040442230 |
6 | 450250351 |
7 | 126122461 |
oct | 37033033 |
9 | 16276364 |
10 | 8140315 |
11 | 465aa37 |
12 | 28869b7 |
13 | 18c0271 |
14 | 111c831 |
15 | aabe2a |
hex | 7c361b |
8140315 has 4 divisors (see below), whose sum is σ = 9768384. Its totient is φ = 6512248.
The previous prime is 8140313. The next prime is 8140339. The reversal of 8140315 is 5130418.
8140315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 8140315 - 21 = 8140313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8140313) by changing a digit.
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, 814027 + ... + 814036.
It is an arithmetic number, because the mean of its divisors is an integer number (2442096).
Almost surely, 28140315 is an apocalyptic number.
8140315 is a deficient number, since it is larger than the sum of its proper divisors (1628069).
8140315 is a wasteful number, since it uses less digits than its factorization.
8140315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1628068.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 8140315 is about 2853.1237267248. The cubic root of 8140315 is about 201.1625212954.
It can be divided in two parts, 81403 and 15, that added together give a palindrome (81418).
The spelling of 8140315 in words is "eight million, one hundred forty thousand, three hundred fifteen".
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