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6742417 = 11612947
BaseRepresentation
bin11001101110000110010001
3110200112212011
4121232012101
53211224132
6400302521
7111211123
oct31560621
913615764
106742417
113895750
122311a41
131520bc6
14c77213
158d2b47
hex66e191

6742417 has 4 divisors (see below), whose sum is σ = 7355376. Its totient is φ = 6129460.

The previous prime is 6742369. The next prime is 6742423. The reversal of 6742417 is 7142476.

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 6742417 - 211 = 6740369 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 not an unprimeable number, because it can be changed into a prime (6742117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306463 + ... + 306484.

It is an arithmetic number, because the mean of its divisors is an integer number (1838844).

Almost surely, 26742417 is an apocalyptic number.

It is an amenable number.

6742417 is a deficient number, since it is larger than the sum of its proper divisors (612959).

6742417 is a wasteful number, since it uses less digits than its factorization.

6742417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612958.

The product of its digits is 9408, while the sum is 31.

The square root of 6742417 is about 2596.6164522316. The cubic root of 6742417 is about 188.9173607344.

The spelling of 6742417 in words is "six million, seven hundred forty-two thousand, four hundred seventeen".

Divisors: 1 11 612947 6742417