Base | Representation |
---|---|
bin | 10001001101011… |
… | …010110000100001 |
3 | 202010022000022002 |
4 | 101031122300201 |
5 | 1042403331040 |
6 | 44352253345 |
7 | 10104110564 |
oct | 2115326041 |
9 | 663260262 |
10 | 288730145 |
11 | 138a87260 |
12 | 80841255 |
13 | 47a83252 |
14 | 2a4bc4db |
15 | 1a534a15 |
hex | 1135ac21 |
288730145 has 8 divisors (see below), whose sum is σ = 377974080. Its totient is φ = 209985520.
The previous prime is 288730133. The next prime is 288730207. The reversal of 288730145 is 541037882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-288730145 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 288730099 and 288730108.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624765 + ... + 2624874.
It is an arithmetic number, because the mean of its divisors is an integer number (47246760).
Almost surely, 2288730145 is an apocalyptic number.
It is an amenable number.
288730145 is a deficient number, since it is larger than the sum of its proper divisors (89243935).
288730145 is a wasteful number, since it uses less digits than its factorization.
288730145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5249655.
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 288730145 is about 16992.0612345883. The cubic root of 288730145 is about 660.9430542132.
The spelling of 288730145 in words is "two hundred eighty-eight million, seven hundred thirty thousand, one hundred forty-five".
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