Base | Representation |
---|---|
bin | 1011110000000011010101 |
3 | 12210111112002 |
4 | 23300003111 |
5 | 1242033110 |
6 | 150005045 |
7 | 35116526 |
oct | 13600325 |
9 | 5714462 |
10 | 3080405 |
11 | 1814399 |
12 | 1046785 |
13 | 83b133 |
14 | 5a284d |
15 | 40caa5 |
hex | 2f00d5 |
3080405 has 8 divisors (see below), whose sum is σ = 3705912. Its totient is φ = 2458048.
The previous prime is 3080401. The next prime is 3080419. The reversal of 3080405 is 5040803.
It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 3073009 = 86^2 + 1753^2 .
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 3080405 - 22 = 3080401 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3080401) 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, 3467 + ... + 4263.
It is an arithmetic number, because the mean of its divisors is an integer number (463239).
Almost surely, 23080405 is an apocalyptic number.
It is an amenable number.
3080405 is a deficient number, since it is larger than the sum of its proper divisors (625507).
3080405 is an equidigital number, since it uses as much as digits as its factorization.
3080405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1575.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 3080405 is about 1755.1082587692. The cubic root of 3080405 is about 145.5021039441.
The spelling of 3080405 in words is "three million, eighty thousand, four hundred five".
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