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68041873 is a prime number
BaseRepresentation
bin1000000111000…
…11110010010001
311202000212220101
410003203302101
5114404314443
610430212401
71454226544
oct403436221
9152025811
1068041873
1135453959
121a954101
1311134483
14907285b
155e9084d
hex40e3c91

68041873 has 2 divisors, whose sum is σ = 68041874. Its totient is φ = 68041872.

The previous prime is 68041861. The next prime is 68041891. The reversal of 68041873 is 37814086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66048129 + 1993744 = 8127^2 + 1412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68041873 is a prime.

It is not a weakly prime, because it can be changed into another prime (68041273) 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, 34020936 + 34020937.

It is an arithmetic number, because the mean of its divisors is an integer number (34020937).

Almost surely, 268041873 is an apocalyptic number.

It is an amenable number.

68041873 is a deficient number, since it is larger than the sum of its proper divisors (1).

68041873 is an equidigital number, since it uses as much as digits as its factorization.

68041873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 68041873 is about 8248.7497840582. The cubic root of 68041873 is about 408.2492729735.

The spelling of 68041873 in words is "sixty-eight million, forty-one thousand, eight hundred seventy-three".