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3268689 = 31089563
BaseRepresentation
bin1100011110000001010001
320011001210120
430132001101
51314044224
6154020453
736532464
oct14360121
96131716
103268689
1119328a6
121117729
138a5a48
146112db
15448779
hex31e051

3268689 has 4 divisors (see below), whose sum is σ = 4358256. Its totient is φ = 2179124.

The previous prime is 3268687. The next prime is 3268693. The reversal of 3268689 is 9868623.

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 3268689 - 21 = 3268687 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3268689.

It is not an unprimeable number, because it can be changed into a prime (3268687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544779 + ... + 544784.

It is an arithmetic number, because the mean of its divisors is an integer number (1089564).

Almost surely, 23268689 is an apocalyptic number.

It is an amenable number.

3268689 is a deficient number, since it is larger than the sum of its proper divisors (1089567).

3268689 is a wasteful number, since it uses less digits than its factorization.

3268689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089566.

The product of its digits is 124416, while the sum is 42.

The square root of 3268689 is about 1807.9516033346. The cubic root of 3268689 is about 148.4081895738.

The spelling of 3268689 in words is "three million, two hundred sixty-eight thousand, six hundred eighty-nine".

Divisors: 1 3 1089563 3268689