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3006865 = 52989233
BaseRepresentation
bin1011011110000110010001
312122202122101
423132012101
51232204430
6144240401
734362241
oct13360621
95582571
103006865
111774114
121010101
13813814
14583b21
153e5dca
hex2de191

3006865 has 16 divisors (see below), whose sum is σ = 3790800. Its totient is φ = 2286592.

The previous prime is 3006851. The next prime is 3006881. The reversal of 3006865 is 5686003.

3006865 is nontrivially palindromic in base 12.

3006865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3006865 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 8 ways, for example, as 421201 + 2585664 = 649^2 + 1608^2 .

It is not a de Polignac number, because 3006865 - 27 = 3006737 is a prime.

3006865 is an undulating number in base 12.

It is an unprimeable number.

It is a nontrivial repunit in base 144.

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 15 ways as a sum of consecutive naturals, for example, 12789 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (236925).

Almost surely, 23006865 is an apocalyptic number.

It is an amenable number.

3006865 is a deficient number, since it is larger than the sum of its proper divisors (783935).

3006865 is a wasteful number, since it uses less digits than its factorization.

3006865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3006865 is about 1734.0314299343. The cubic root of 3006865 is about 144.3348848151.

The spelling of 3006865 in words is "three million, six thousand, eight hundred sixty-five".

Divisors: 1 5 29 89 145 233 445 1165 2581 6757 12905 20737 33785 103685 601373 3006865