Base | Representation |
---|---|
bin | 110110001000… |
… | …1111101011100 |
3 | 1222102010001121 |
4 | 1230101331130 |
5 | 24231310431 |
6 | 2452220324 |
7 | 463161304 |
oct | 154217534 |
9 | 58363047 |
10 | 28385116 |
11 | 15028181 |
12 | 960a6a4 |
13 | 5b5ac36 |
14 | 3aac604 |
15 | 275a611 |
hex | 1b11f5c |
28385116 has 12 divisors (see below), whose sum is σ = 49777000. Its totient is φ = 14163120.
The previous prime is 28385111. The next prime is 28385177. The reversal of 28385116 is 61158382.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28385111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5115 + ... + 9106.
Almost surely, 228385116 is an apocalyptic number.
It is an amenable number.
28385116 is a deficient number, since it is larger than the sum of its proper divisors (21391884).
28385116 is a wasteful number, since it uses less digits than its factorization.
28385116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14724 (or 14722 counting only the distinct ones).
The product of its digits is 11520, while the sum is 34.
The square root of 28385116 is about 5327.7683883592. The cubic root of 28385116 is about 305.0447520108.
The spelling of 28385116 in words is "twenty-eight million, three hundred eighty-five thousand, one hundred sixteen".
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