Search a number
-
+
6768789 = 35342571
BaseRepresentation
bin11001110100100010010101
3110201220000220
4121310202111
53213100124
6401024553
7111351036
oct31644225
913656026
106768789
113903545
122325159
13152cc01
14c82a8d
158da879
hex674895

6768789 has 8 divisors (see below), whose sum is σ = 9195552. Its totient is φ = 4427280.

The previous prime is 6768781. The next prime is 6768793. The reversal of 6768789 is 9878676.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6768789 - 23 = 6768781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6768781) 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, 21127 + ... + 21444.

It is an arithmetic number, because the mean of its divisors is an integer number (1149444).

Almost surely, 26768789 is an apocalyptic number.

It is an amenable number.

6768789 is a deficient number, since it is larger than the sum of its proper divisors (2426763).

6768789 is a wasteful number, since it uses less digits than its factorization.

6768789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42627.

The product of its digits is 1016064, while the sum is 51.

The square root of 6768789 is about 2601.6896432895. The cubic root of 6768789 is about 189.1633480457.

It can be divided in two parts, 67687 and 89, that added together give a palindrome (67776).

The spelling of 6768789 in words is "six million, seven hundred sixty-eight thousand, seven hundred eighty-nine".

Divisors: 1 3 53 159 42571 127713 2256263 6768789