Search a number
-
+
3006789 = 31002263
BaseRepresentation
bin1011011110000101000101
312122202112120
423132011011
51232204124
6144240153
734362102
oct13360505
95582476
103006789
111774055
121010059
13813786
14583aa9
153e5d79
hex2de145

3006789 has 4 divisors (see below), whose sum is σ = 4009056. Its totient is φ = 2004524.

The previous prime is 3006781. The next prime is 3006791. The reversal of 3006789 is 9876003.

It is a happy number.

3006789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3006789 - 23 = 3006781 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3006781) 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 3 ways as a sum of consecutive naturals, for example, 501129 + ... + 501134.

It is an arithmetic number, because the mean of its divisors is an integer number (1002264).

Almost surely, 23006789 is an apocalyptic number.

It is an amenable number.

3006789 is a deficient number, since it is larger than the sum of its proper divisors (1002267).

3006789 is a wasteful number, since it uses less digits than its factorization.

3006789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002266.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3006789 is about 1734.0095155448. The cubic root of 3006789 is about 144.3336687596. Note that the first 3 decimals are identical.

Subtracting from 3006789 its sum of digits (33), we obtain a square (3006756 = 17342).

The spelling of 3006789 in words is "three million, six thousand, seven hundred eighty-nine".

Divisors: 1 3 1002263 3006789