Search a number
-
+
6768955 = 51353791
BaseRepresentation
bin11001110100100100111011
3110201220021001
4121310210323
53213101310
6401025431
7111351364
oct31644473
913656231
106768955
113903686
122325277
13152cccb
14c82b6b
158da93a
hex67493b

6768955 has 4 divisors (see below), whose sum is σ = 8122752. Its totient is φ = 5415160.

The previous prime is 6768947. The next prime is 6768961. The reversal of 6768955 is 5598676.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6768955 - 23 = 6768947 is a prime.

It is a Duffinian number.

6768955 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676891 + ... + 676900.

It is an arithmetic number, because the mean of its divisors is an integer number (2030688).

Almost surely, 26768955 is an apocalyptic number.

6768955 is a deficient number, since it is larger than the sum of its proper divisors (1353797).

6768955 is a wasteful number, since it uses less digits than its factorization.

6768955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353796.

The product of its digits is 453600, while the sum is 46.

The square root of 6768955 is about 2601.7215454387. The cubic root of 6768955 is about 189.1648944010.

The spelling of 6768955 in words is "six million, seven hundred sixty-eight thousand, nine hundred fifty-five".

Divisors: 1 5 1353791 6768955