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68541071 is a prime number
BaseRepresentation
bin1000001010111…
…01101010001111
311202222020200012
410011131222033
5120021303241
610445023435
71461406124
oct405355217
9152866605
1068541071
1135764a15
121ab54b7b
131127a761
14916274b
15603d6eb
hex415da8f

68541071 has 2 divisors, whose sum is σ = 68541072. Its totient is φ = 68541070.

The previous prime is 68541023. The next prime is 68541079. The reversal of 68541071 is 17014586.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68541071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68541079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34270535 + 34270536.

It is an arithmetic number, because the mean of its divisors is an integer number (34270536).

Almost surely, 268541071 is an apocalyptic number.

68541071 is a deficient number, since it is larger than the sum of its proper divisors (1).

68541071 is an equidigital number, since it uses as much as digits as its factorization.

68541071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 68541071 is about 8278.9534966685. The cubic root of 68541071 is about 409.2452324626.

The spelling of 68541071 in words is "sixty-eight million, five hundred forty-one thousand, seventy-one".