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6744668 = 227240881
BaseRepresentation
bin11001101110101001011100
3110200122221112
4121232221130
53211312133
6400321152
7111220520
oct31565134
913618845
106744668
113897407
1223131b8
131521c38
14c77d80
158d3648
hex66ea5c

6744668 has 12 divisors (see below), whose sum is σ = 13489392. Its totient is φ = 2890560.

The previous prime is 6744667. The next prime is 6744757. The reversal of 6744668 is 8664476.

6744668 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744667) 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, 120413 + ... + 120468.

It is an arithmetic number, because the mean of its divisors is an integer number (1124116).

Almost surely, 26744668 is an apocalyptic number.

It is an amenable number.

6744668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6744668 is a wasteful number, since it uses less digits than its factorization.

6744668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240892 (or 240890 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 6744668 is about 2597.0498647504. The cubic root of 6744668 is about 188.9383821606.

The spelling of 6744668 in words is "six million, seven hundred forty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 240881 481762 963524 1686167 3372334 6744668