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68838337 is a prime number
BaseRepresentation
bin1000001101001…
…10001111000001
311210112100110001
410012212033001
5120110311322
610455240001
71464054601
oct406461701
9153470401
1068838337
1135948297
121b079001
1311352b59
1491dcc01
15609b827
hex41a63c1

68838337 has 2 divisors, whose sum is σ = 68838338. Its totient is φ = 68838336.

The previous prime is 68838331. The next prime is 68838347. The reversal of 68838337 is 73383886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66650896 + 2187441 = 8164^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 68838337 - 223 = 60449729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68838331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34419168 + 34419169.

It is an arithmetic number, because the mean of its divisors is an integer number (34419169).

Almost surely, 268838337 is an apocalyptic number.

It is an amenable number.

68838337 is a deficient number, since it is larger than the sum of its proper divisors (1).

68838337 is an equidigital number, since it uses as much as digits as its factorization.

68838337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 68838337 is about 8296.8871873733. The cubic root of 68838337 is about 409.8360181036.

The spelling of 68838337 in words is "sixty-eight million, eight hundred thirty-eight thousand, three hundred thirty-seven".