Search a number
-
+
6744109 = 26325643
BaseRepresentation
bin11001101110100000101101
3110200122011211
4121232200231
53211302414
6400314421
7111216061
oct31564055
913618154
106744109
113896a49
122312a11
1315218c8
14c77aa1
158d33c4
hex66e82d

6744109 has 4 divisors (see below), whose sum is σ = 6770016. Its totient is φ = 6718204.

The previous prime is 6744097. The next prime is 6744137. The reversal of 6744109 is 9014476.

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 6744109 - 217 = 6613037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744139) 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, 12559 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (1692504).

Almost surely, 26744109 is an apocalyptic number.

It is an amenable number.

6744109 is a deficient number, since it is larger than the sum of its proper divisors (25907).

6744109 is a wasteful number, since it uses less digits than its factorization.

6744109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25906.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6744109 is about 2596.9422404050. The cubic root of 6744109 is about 188.9331622608.

The spelling of 6744109 in words is "six million, seven hundred forty-four thousand, one hundred nine".

Divisors: 1 263 25643 6744109