Base | Representation |
---|---|
bin | 1100100010100001101001 |
3 | 20012000010010 |
4 | 30202201221 |
5 | 1320142040 |
6 | 154242133 |
7 | 36640341 |
oct | 14424151 |
9 | 6160103 |
10 | 3287145 |
11 | 1945754 |
12 | 1126349 |
13 | 8b1274 |
14 | 617d21 |
15 | 44de80 |
hex | 322869 |
3287145 has 8 divisors (see below), whose sum is σ = 5259456. Its totient is φ = 1753136.
The previous prime is 3287143. The next prime is 3287149. The reversal of 3287145 is 5417823.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3287145 - 21 = 3287143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3287143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109557 + ... + 109586.
It is an arithmetic number, because the mean of its divisors is an integer number (657432).
Almost surely, 23287145 is an apocalyptic number.
It is an amenable number.
3287145 is a deficient number, since it is larger than the sum of its proper divisors (1972311).
3287145 is a wasteful number, since it uses less digits than its factorization.
3287145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219151.
The product of its digits is 6720, while the sum is 30.
The square root of 3287145 is about 1813.0485376845. The cubic root of 3287145 is about 148.6869845835.
The spelling of 3287145 in words is "three million, two hundred eighty-seven thousand, one hundred forty-five".
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