Base | Representation |
---|---|
bin | 11010011011101111… |
… | …111101101000101100 |
3 | 2201021001022221102102 |
4 | 122123233331220230 |
5 | 431112002023414 |
6 | 21012222514232 |
7 | 2023232130440 |
oct | 323357755054 |
9 | 81231287372 |
10 | 28382845484 |
11 | 110454159a4 |
12 | 5601435978 |
13 | 28a4334136 |
14 | 153376a820 |
15 | b11b8bede |
hex | 69bbfda2c |
28382845484 has 48 divisors (see below), whose sum is σ = 59721936960. Its totient is φ = 11546634240.
The previous prime is 28382845483. The next prime is 28382845493. The reversal of 28382845484 is 48454828382.
It is not an unprimeable number, because it can be changed into a prime (28382845483) 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, 291629 + ... + 376580.
It is an arithmetic number, because the mean of its divisors is an integer number (1244207020).
Almost surely, 228382845484 is an apocalyptic number.
It is an amenable number.
28382845484 is an abundant number, since it is smaller than the sum of its proper divisors (31339091476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28382845484 is a wasteful number, since it uses less digits than its factorization.
28382845484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 668298 (or 668296 counting only the distinct ones).
The product of its digits is 15728640, while the sum is 56.
The spelling of 28382845484 in words is "twenty-eight billion, three hundred eighty-two million, eight hundred forty-five thousand, four hundred eighty-four".
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