Search a number
-
+
6940265 = 51388053
BaseRepresentation
bin11010011110011001101001
3111001121020212
4122132121221
53234042030
6404430505
7112664003
oct32363151
914047225
106940265
113a10362
1223a8435
13158cc87
14cc9373
15921595
hex69e669

6940265 has 4 divisors (see below), whose sum is σ = 8328324. Its totient is φ = 5552208.

The previous prime is 6940261. The next prime is 6940277. The reversal of 6940265 is 5620496.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4405801 + 2534464 = 2099^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 6940265 - 22 = 6940261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6940261) 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, 694022 + ... + 694031.

It is an arithmetic number, because the mean of its divisors is an integer number (2082081).

Almost surely, 26940265 is an apocalyptic number.

It is an amenable number.

6940265 is a deficient number, since it is larger than the sum of its proper divisors (1388059).

6940265 is a wasteful number, since it uses less digits than its factorization.

6940265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388058.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6940265 is about 2634.4382702960. The cubic root of 6940265 is about 190.7474252547.

The spelling of 6940265 in words is "six million, nine hundred forty thousand, two hundred sixty-five".

Divisors: 1 5 1388053 6940265