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682912949 is a prime number
BaseRepresentation
bin101000101101000…
…110110010110101
31202121000120110012
4220231012302311
52344311203244
6151433110005
722631443565
oct5055066265
91677016405
10682912949
11320539674
12170858305
13ab638b04
14669aada5
153ee4989e
hex28b46cb5

682912949 has 2 divisors, whose sum is σ = 682912950. Its totient is φ = 682912948.

The previous prime is 682912927. The next prime is 682913009. The reversal of 682912949 is 949219286.

It is a happy number.

682912949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645922225 + 36990724 = 25415^2 + 6082^2 .

It is a cyclic number.

It is not a de Polignac number, because 682912949 - 216 = 682847413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 682912897 and 682912906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682902949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341456474 + 341456475.

It is an arithmetic number, because the mean of its divisors is an integer number (341456475).

Almost surely, 2682912949 is an apocalyptic number.

It is an amenable number.

682912949 is a deficient number, since it is larger than the sum of its proper divisors (1).

682912949 is an equidigital number, since it uses as much as digits as its factorization.

682912949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 682912949 is about 26132.6031807013. The cubic root of 682912949 is about 880.6198065509.

The spelling of 682912949 in words is "six hundred eighty-two million, nine hundred twelve thousand, nine hundred forty-nine".