Base | Representation |
---|---|
bin | 1000110011111010101 |
3 | 112200001112 |
4 | 1012133111 |
5 | 33214400 |
6 | 10104405 |
7 | 2311523 |
oct | 1063725 |
9 | 480045 |
10 | 288725 |
11 | 187a18 |
12 | 11b105 |
13 | a1558 |
14 | 77313 |
15 | 5a835 |
hex | 467d5 |
288725 has 6 divisors (see below), whose sum is σ = 358050. Its totient is φ = 230960.
The previous prime is 288697. The next prime is 288731. The reversal of 288725 is 527882.
It can be written as a sum of positive squares in 3 ways, for example, as 78961 + 209764 = 281^2 + 458^2 .
It is not a de Polignac number, because 288725 - 26 = 288661 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 288691 and 288700.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288725.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5750 + ... + 5799.
It is an arithmetic number, because the mean of its divisors is an integer number (59675).
2288725 is an apocalyptic number.
288725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
288725 is a deficient number, since it is larger than the sum of its proper divisors (69325).
288725 is a wasteful number, since it uses less digits than its factorization.
288725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11559 (or 11554 counting only the distinct ones).
The product of its digits is 8960, while the sum is 32.
The square root of 288725 is about 537.3313688963. The cubic root of 288725 is about 66.0939128319.
The spelling of 288725 in words is "two hundred eighty-eight thousand, seven hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •