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68849353 is a prime number
BaseRepresentation
bin1000001101010…
…00111011001001
311210112220120001
410012220323021
5120111134403
610455403001
71464131656
oct406507311
9153486501
1068849353
11359555a1
121b083461
1311357b81
149202c2d
15609ec1d
hex41a8ec9

68849353 has 2 divisors, whose sum is σ = 68849354. Its totient is φ = 68849352.

The previous prime is 68849317. The next prime is 68849383. The reversal of 68849353 is 35394886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65415744 + 3433609 = 8088^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 68849353 - 29 = 68848841 is a prime.

It is not a weakly prime, because it can be changed into another prime (68849383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34424676 + 34424677.

It is an arithmetic number, because the mean of its divisors is an integer number (34424677).

Almost surely, 268849353 is an apocalyptic number.

It is an amenable number.

68849353 is a deficient number, since it is larger than the sum of its proper divisors (1).

68849353 is an equidigital number, since it uses as much as digits as its factorization.

68849353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 68849353 is about 8297.5510242481. The cubic root of 68849353 is about 409.8578785618.

The spelling of 68849353 in words is "sixty-eight million, eight hundred forty-nine thousand, three hundred fifty-three".