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68367361 is a prime number
BaseRepresentation
bin1000001001100…
…11010000000001
311202122102101111
410010303100001
5120000223421
610441203321
71460053516
oct404632001
9152572344
1068367361
1135656457
121aa90541
131121967a
14911930d
156006ee1
hex4133401

68367361 has 2 divisors, whose sum is σ = 68367362. Its totient is φ = 68367360.

The previous prime is 68367359. The next prime is 68367367. The reversal of 68367361 is 16376386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 12117361 = 7500^2 + 3481^2 .

It is a cyclic number.

It is not a de Polignac number, because 68367361 - 21 = 68367359 is a prime.

Together with 68367359, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68367367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34183680 + 34183681.

It is an arithmetic number, because the mean of its divisors is an integer number (34183681).

Almost surely, 268367361 is an apocalyptic number.

It is an amenable number.

68367361 is a deficient number, since it is larger than the sum of its proper divisors (1).

68367361 is an equidigital number, since it uses as much as digits as its factorization.

68367361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 68367361 is about 8268.4557808578. The cubic root of 68367361 is about 408.8992105829.

The spelling of 68367361 in words is "sixty-eight million, three hundred sixty-seven thousand, three hundred sixty-one".