Base | Representation |
---|---|
bin | 10001001101111… |
… | …111111011010001 |
3 | 202010120202010121 |
4 | 101031333323101 |
5 | 1042423214020 |
6 | 44355430241 |
7 | 10105313461 |
oct | 2115777321 |
9 | 663522117 |
10 | 288882385 |
11 | 139080680 |
12 | 808b5381 |
13 | 47b0762c |
14 | 2a51bba1 |
15 | 1a564baa |
hex | 1137fed1 |
288882385 has 16 divisors (see below), whose sum is σ = 386971200. Its totient is φ = 205208640.
The previous prime is 288882371. The next prime is 288882431. The reversal of 288882385 is 583288882.
It is a happy number.
It is not a de Polignac number, because 288882385 - 223 = 280493777 is a prime.
It is a super-3 number, since 3×2888823853 (a number of 26 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58710 + ... + 63439.
It is an arithmetic number, because the mean of its divisors is an integer number (24185700).
Almost surely, 2288882385 is an apocalyptic number.
It is an amenable number.
288882385 is a deficient number, since it is larger than the sum of its proper divisors (98088815).
288882385 is a wasteful number, since it uses less digits than its factorization.
288882385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122208.
The product of its digits is 1966080, while the sum is 52.
The square root of 288882385 is about 16996.5403832662. The cubic root of 288882385 is about 661.0591999088.
The spelling of 288882385 in words is "two hundred eighty-eight million, eight hundred eighty-two thousand, three hundred eighty-five".
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