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68115241 is a prime number
BaseRepresentation
bin1000000111101…
…01101100101001
311202011121112201
410003311230221
5114414141431
610431540201
71454653465
oct403655451
9152147481
1068115241
11354a3a97
121a98a661
131115b99c
1490914a5
155ea7461
hex40f5b29

68115241 has 2 divisors, whose sum is σ = 68115242. Its totient is φ = 68115240.

The previous prime is 68115211. The next prime is 68115253. The reversal of 68115241 is 14251186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65853225 + 2262016 = 8115^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 68115241 - 29 = 68114729 is a prime.

It is not a weakly prime, because it can be changed into another prime (68115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34057620 + 34057621.

It is an arithmetic number, because the mean of its divisors is an integer number (34057621).

Almost surely, 268115241 is an apocalyptic number.

It is an amenable number.

68115241 is a deficient number, since it is larger than the sum of its proper divisors (1).

68115241 is an equidigital number, since it uses as much as digits as its factorization.

68115241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 68115241 is about 8253.1958052623. The cubic root of 68115241 is about 408.3959555584.

The spelling of 68115241 in words is "sixty-eight million, one hundred fifteen thousand, two hundred forty-one".