Search a number
-
+
6769949 = 13151679
BaseRepresentation
bin11001110100110100011101
3110201221121212
4121310310131
53213114244
6401034205
7111354314
oct31646435
913657555
106769949
1139043aa
122325965
1315305b4
14c8327b
158dad9e
hex674d1d

6769949 has 4 divisors (see below), whose sum is σ = 6821760. Its totient is φ = 6718140.

The previous prime is 6769937. The next prime is 6769951. The reversal of 6769949 is 9499676.

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 6769949 - 216 = 6704413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6769897 and 6769906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6769969) by changing a digit.

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, 25709 + ... + 25970.

It is an arithmetic number, because the mean of its divisors is an integer number (1705440).

Almost surely, 26769949 is an apocalyptic number.

It is an amenable number.

6769949 is a deficient number, since it is larger than the sum of its proper divisors (51811).

6769949 is a wasteful number, since it uses less digits than its factorization.

6769949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51810.

The product of its digits is 734832, while the sum is 50.

The square root of 6769949 is about 2601.9125657869. The cubic root of 6769949 is about 189.1741533734.

The spelling of 6769949 in words is "six million, seven hundred sixty-nine thousand, nine hundred forty-nine".

Divisors: 1 131 51679 6769949