Search a number
-
+
68791301 is a prime number
BaseRepresentation
bin1000001100110…
…10110000000101
311210102221220222
410012122300011
5120102310201
610454234125
71463500505
oct406326005
9153387828
1068791301
1135915a17
121b055945
1311337617
1491c9a05
15608c91b
hex419ac05

68791301 has 2 divisors, whose sum is σ = 68791302. Its totient is φ = 68791300.

The previous prime is 68791291. The next prime is 68791309. The reversal of 68791301 is 10319786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52911076 + 15880225 = 7274^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 68791301 - 26 = 68791237 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68791309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34395650 + 34395651.

It is an arithmetic number, because the mean of its divisors is an integer number (34395651).

Almost surely, 268791301 is an apocalyptic number.

It is an amenable number.

68791301 is a deficient number, since it is larger than the sum of its proper divisors (1).

68791301 is an equidigital number, since it uses as much as digits as its factorization.

68791301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 68791301 is about 8294.0521459658. The cubic root of 68791301 is about 409.7426523038.

The spelling of 68791301 in words is "sixty-eight million, seven hundred ninety-one thousand, three hundred one".