Base | Representation |
---|---|
bin | 10001001110000… |
… | …000001000101011 |
3 | 202010120210022101 |
4 | 101032000020223 |
5 | 1042423230433 |
6 | 44355434231 |
7 | 10105316125 |
oct | 2116001053 |
9 | 663523271 |
10 | 288883243 |
11 | 139081290 |
12 | 808b5977 |
13 | 47b07b3c |
14 | 2a51c215 |
15 | 1a56507d |
hex | 1138022b |
288883243 has 16 divisors (see below), whose sum is σ = 332833536. Its totient is φ = 248158240.
The previous prime is 288883237. The next prime is 288883247. The reversal of 288883243 is 342388882.
It is not a de Polignac number, because 288883243 - 25 = 288883211 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 288883193 and 288883202.
It is not an unprimeable number, because it can be changed into a prime (288883247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14121 + ... + 27877.
It is an arithmetic number, because the mean of its divisors is an integer number (20802096).
Almost surely, 2288883243 is an apocalyptic number.
288883243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
288883243 is a deficient number, since it is larger than the sum of its proper divisors (43950293).
288883243 is a wasteful number, since it uses less digits than its factorization.
288883243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13874.
The product of its digits is 589824, while the sum is 46.
The square root of 288883243 is about 16996.5656236782. The cubic root of 288883243 is about 661.0598543715.
It can be divided in two parts, 28888 and 3243, that added together give a triangular number (32131 = T253).
The spelling of 288883243 in words is "two hundred eighty-eight million, eight hundred eighty-three thousand, two hundred forty-three".
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