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6940969 = 7991567
BaseRepresentation
bin11010011110100100101001
3111001122012221
4122132210221
53234102334
6404434041
7112666030
oct32364451
914048187
106940969
113a10942
1223a8921
1315903a9
14cc9717
159218b4
hex69e929

6940969 has 4 divisors (see below), whose sum is σ = 7932544. Its totient is φ = 5949396.

The previous prime is 6940961. The next prime is 6940987. The reversal of 6940969 is 9690496.

It is a happy number.

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 6940969 - 23 = 6940961 is a prime.

It is a super-2 number, since 2×69409692 = 96354101317922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6940961) 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, 495777 + ... + 495790.

It is an arithmetic number, because the mean of its divisors is an integer number (1983136).

Almost surely, 26940969 is an apocalyptic number.

It is an amenable number.

6940969 is a deficient number, since it is larger than the sum of its proper divisors (991575).

6940969 is an equidigital number, since it uses as much as digits as its factorization.

6940969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991574.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 6940969 is about 2634.5718817296. The cubic root of 6940969 is about 190.7538746553.

The spelling of 6940969 in words is "six million, nine hundred forty thousand, nine hundred sixty-nine".

Divisors: 1 7 991567 6940969