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6684127 = 31215617
BaseRepresentation
bin11001011111110111011111
3110120120220021
4121133313133
53202343002
6355133011
7110546152
oct31376737
913516807
106684127
11385597a
1222a4167
131500508
14c5dc99
158c0737
hex65fddf

6684127 has 4 divisors (see below), whose sum is σ = 6899776. Its totient is φ = 6468480.

The previous prime is 6684109. The next prime is 6684133. The reversal of 6684127 is 7214866.

6684127 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7214866 = 23607433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6684127 is a prime.

It is a Duffinian number.

6684127 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6684092 and 6684101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684527) 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, 107778 + ... + 107839.

It is an arithmetic number, because the mean of its divisors is an integer number (1724944).

Almost surely, 26684127 is an apocalyptic number.

6684127 is a deficient number, since it is larger than the sum of its proper divisors (215649).

6684127 is a wasteful number, since it uses less digits than its factorization.

6684127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215648.

The product of its digits is 16128, while the sum is 34.

The square root of 6684127 is about 2585.3678655077. The cubic root of 6684127 is about 188.3713705683.

The spelling of 6684127 in words is "six million, six hundred eighty-four thousand, one hundred twenty-seven".

Divisors: 1 31 215617 6684127