Base | Representation |
---|---|
bin | 1111010110111100… |
… | …01111110111000100 |
3 | 210021122102221200001 |
4 | 13223132033313010 |
5 | 113341324323330 |
6 | 3442110331044 |
7 | 411221645020 |
oct | 75336176704 |
9 | 23248387601 |
10 | 8245542340 |
11 | 3551437002 |
12 | 17214b9a84 |
13 | a15384849 |
14 | 583143380 |
15 | 333d4d9ca |
hex | 1eb78fdc4 |
8245542340 has 24 divisors (see below), whose sum is σ = 19789301952. Its totient is φ = 2827043040.
The previous prime is 8245542323. The next prime is 8245542341. The reversal of 8245542340 is 432455428.
It is a self number, because there is not a number n which added to its sum of digits gives 8245542340.
It is not an unprimeable number, because it can be changed into a prime (8245542341) 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, 29448226 + ... + 29448505.
It is an arithmetic number, because the mean of its divisors is an integer number (824554248).
Almost surely, 28245542340 is an apocalyptic number.
It is an amenable number.
8245542340 is an abundant number, since it is smaller than the sum of its proper divisors (11543759612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8245542340 is a wasteful number, since it uses less digits than its factorization.
8245542340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58896747 (or 58896745 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 37.
The square root of 8245542340 is about 90804.9686966523. The cubic root of 8245542340 is about 2020.2560159776.
Adding to 8245542340 its reverse (432455428), we get a palindrome (8677997768).
The spelling of 8245542340 in words is "eight billion, two hundred forty-five million, five hundred forty-two thousand, three hundred forty".
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