Base | Representation |
---|---|
bin | 1011110001101000010001 |
3 | 12210211101100 |
4 | 23301220101 |
5 | 1242234430 |
6 | 150055013 |
7 | 35144415 |
oct | 13615021 |
9 | 5724340 |
10 | 3086865 |
11 | 1819231 |
12 | 104a469 |
13 | 841062 |
14 | 5a4d45 |
15 | 40e960 |
hex | 2f1a11 |
3086865 has 12 divisors (see below), whose sum is σ = 5350644. Its totient is φ = 1646304.
The previous prime is 3086861. The next prime is 3086903. The reversal of 3086865 is 5686803.
It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 2396304 = 831^2 + 1548^2 .
It is not a de Polignac number, because 3086865 - 22 = 3086861 is a prime.
It is a Curzon number.
3086865 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (3086861) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34254 + ... + 34343.
It is an arithmetic number, because the mean of its divisors is an integer number (445887).
Almost surely, 23086865 is an apocalyptic number.
It is an amenable number.
3086865 is a deficient number, since it is larger than the sum of its proper divisors (2263779).
3086865 is a wasteful number, since it uses less digits than its factorization.
3086865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68608 (or 68605 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 3086865 is about 1756.9476372391. The cubic root of 3086865 is about 145.6037450482.
The spelling of 3086865 in words is "three million, eighty-six thousand, eight hundred sixty-five".
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