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682293649 is a prime number
BaseRepresentation
bin101000101010101…
…111100110010001
31202112212002221011
4220222233212101
52344131344044
6151411530521
722623254212
oct5052574621
91675762834
10682293649
11320156354
121705b9a41
13ab47cc6b
1466889409
153ed76134
hex28aaf991

682293649 has 2 divisors, whose sum is σ = 682293650. Its totient is φ = 682293648.

The previous prime is 682293617. The next prime is 682293659. The reversal of 682293649 is 946392286.

It is a happy number.

682293649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513475600 + 168818049 = 22660^2 + 12993^2 .

It is a cyclic number.

It is not a de Polignac number, because 682293649 - 25 = 682293617 is a prime.

It is not a weakly prime, because it can be changed into another prime (682293659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341146824 + 341146825.

It is an arithmetic number, because the mean of its divisors is an integer number (341146825).

Almost surely, 2682293649 is an apocalyptic number.

It is an amenable number.

682293649 is a deficient number, since it is larger than the sum of its proper divisors (1).

682293649 is an equidigital number, since it uses as much as digits as its factorization.

682293649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 49.

The square root of 682293649 is about 26120.7513100217. The cubic root of 682293649 is about 880.3535291843.

The spelling of 682293649 in words is "six hundred eighty-two million, two hundred ninety-three thousand, six hundred forty-nine".