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3084905 = 51736293
BaseRepresentation
bin1011110001001001101001
312210201200202
423301021221
51242204110
6150041545
735135615
oct13611151
95721622
103084905
11181780a
1210492b5
138401b5
145a4345
1540e0a5
hex2f1269

3084905 has 8 divisors (see below), whose sum is σ = 3919752. Its totient is φ = 2322688.

The previous prime is 3084901. The next prime is 3084911. The reversal of 3084905 is 5094803.

3084905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 3031081 = 232^2 + 1741^2 .

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 3084905 - 22 = 3084901 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 (3084901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18062 + ... + 18231.

It is an arithmetic number, because the mean of its divisors is an integer number (489969).

Almost surely, 23084905 is an apocalyptic number.

It is an amenable number.

3084905 is a deficient number, since it is larger than the sum of its proper divisors (834847).

3084905 is a wasteful number, since it uses less digits than its factorization.

3084905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36315.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3084905 is about 1756.3897631221. The cubic root of 3084905 is about 145.5729215684.

The spelling of 3084905 in words is "three million, eighty-four thousand, nine hundred five".

Divisors: 1 5 17 85 36293 181465 616981 3084905