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6889741 is a prime number
BaseRepresentation
bin11010010010000100001101
3110222000221121
4122102010031
53230432431
6403400541
7112363465
oct32220415
913860847
106889741
113986401
122383151
131572c91
14cb4ba5
15911611
hex69210d

6889741 has 2 divisors, whose sum is σ = 6889742. Its totient is φ = 6889740.

The previous prime is 6889739. The next prime is 6889759. The reversal of 6889741 is 1479886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 3164841 = 1930^2 + 1779^2 .

It is a cyclic number.

It is not a de Polignac number, because 6889741 - 21 = 6889739 is a prime.

Together with 6889739, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6889721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444870 + 3444871.

It is an arithmetic number, because the mean of its divisors is an integer number (3444871).

Almost surely, 26889741 is an apocalyptic number.

It is an amenable number.

6889741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889741 is an equidigital number, since it uses as much as digits as its factorization.

6889741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 6889741 is about 2624.8316136469. The cubic root of 6889741 is about 190.2834274100.

The spelling of 6889741 in words is "six million, eight hundred eighty-nine thousand, seven hundred forty-one".