Base | Representation |
---|---|
bin | 10001001011000… |
… | …111111101111100 |
3 | 202002011110112110 |
4 | 101023013331330 |
5 | 1042230111032 |
6 | 44331334020 |
7 | 10066024632 |
oct | 2113077574 |
9 | 662143473 |
10 | 288128892 |
11 | 138706557 |
12 | 805b1310 |
13 | 4790268c |
14 | 2a3a3352 |
15 | 1a4667cc |
hex | 112c7f7c |
288128892 has 24 divisors (see below), whose sum is σ = 672681856. Its totient is φ = 95988528.
The previous prime is 288128887. The next prime is 288128917. The reversal of 288128892 is 298821882.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19233 + ... + 30759.
Almost surely, 2288128892 is an apocalyptic number.
It is an amenable number.
288128892 is an abundant number, since it is smaller than the sum of its proper divisors (384552964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288128892 is a wasteful number, since it uses less digits than its factorization.
288128892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13617 (or 13615 counting only the distinct ones).
The product of its digits is 294912, while the sum is 48.
The square root of 288128892 is about 16974.3598406538. The cubic root of 288128892 is about 660.4839517541.
The spelling of 288128892 in words is "two hundred eighty-eight million, one hundred twenty-eight thousand, eight hundred ninety-two".
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