Base | Representation |
---|---|
bin | 110110101111… |
… | …0110001000100 |
3 | 2000000002121110 |
4 | 1231132301010 |
5 | 24321342331 |
6 | 2503045020 |
7 | 465641433 |
oct | 155366104 |
9 | 60002543 |
10 | 28699716 |
11 | 15222581 |
12 | 9740770 |
13 | 5c3b1a6 |
14 | 3b5111a |
15 | 27bd946 |
hex | 1b5ec44 |
28699716 has 36 divisors (see below), whose sum is σ = 68864208. Its totient is φ = 9302688.
The previous prime is 28699711. The next prime is 28699717. The reversal of 28699716 is 61799682.
It is not an unprimeable number, because it can be changed into a prime (28699711) 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 11 ways as a sum of consecutive naturals, for example, 15555 + ... + 17301.
Almost surely, 228699716 is an apocalyptic number.
It is an amenable number.
28699716 is an abundant number, since it is smaller than the sum of its proper divisors (40164492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28699716 is a wasteful number, since it uses less digits than its factorization.
28699716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1828 (or 1789 counting only the distinct ones).
The product of its digits is 326592, while the sum is 48.
The square root of 28699716 is about 5357.2115881305. The cubic root of 28699716 is about 306.1675787640.
The spelling of 28699716 in words is "twenty-eight million, six hundred ninety-nine thousand, seven hundred sixteen".
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