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6680743 is a prime number
BaseRepresentation
bin11001011111000010100111
3110120102020221
4121133002213
53202240433
6355105211
7110533246
oct31370247
913512227
106680743
113853383
1222a2207
1314cbb04
14c5c95d
158be72d
hex65f0a7

6680743 has 2 divisors, whose sum is σ = 6680744. Its totient is φ = 6680742.

The previous prime is 6680731. The next prime is 6680789. The reversal of 6680743 is 3470866.

6680743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6680743 - 217 = 6549671 is a prime.

It is an Ulam number.

6680743 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6680699 and 6680708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6680543) 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 as a sum of consecutive naturals, namely, 3340371 + 3340372.

It is an arithmetic number, because the mean of its divisors is an integer number (3340372).

Almost surely, 26680743 is an apocalyptic number.

6680743 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680743 is an equidigital number, since it uses as much as digits as its factorization.

6680743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 6680743 is about 2584.7133303328. The cubic root of 6680743 is about 188.3395760237.

The spelling of 6680743 in words is "six million, six hundred eighty thousand, seven hundred forty-three".