Base | Representation |
---|---|
bin | 10001001011000… |
… | …111110001010110 |
3 | 202002011102102121 |
4 | 101023013301112 |
5 | 1042230044321 |
6 | 44331330154 |
7 | 10066022401 |
oct | 2113076126 |
9 | 662142377 |
10 | 288128086 |
11 | 138705994 |
12 | 805b095a |
13 | 479021bc |
14 | 2a3a2d38 |
15 | 1a466441 |
hex | 112c7c56 |
288128086 has 8 divisors (see below), whose sum is σ = 433169064. Its totient is φ = 143738400.
The previous prime is 288128077. The next prime is 288128101. The reversal of 288128086 is 680821882.
It is a happy number.
288128086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161715 + ... + 163486.
It is an arithmetic number, because the mean of its divisors is an integer number (54146133).
Almost surely, 2288128086 is an apocalyptic number.
288128086 is a deficient number, since it is larger than the sum of its proper divisors (145040978).
288128086 is a wasteful number, since it uses less digits than its factorization.
288128086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325646.
The product of its (nonzero) digits is 98304, while the sum is 43.
The square root of 288128086 is about 16974.3360989466. The cubic root of 288128086 is about 660.4833358832.
The spelling of 288128086 in words is "two hundred eighty-eight million, one hundred twenty-eight thousand, eighty-six".
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