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68383243 is a prime number
BaseRepresentation
bin1000001001101…
…11001000001011
311202200020011201
410010313020023
5120001230433
610441405031
71460151025
oct404671013
9152606151
1068383243
1135667385
121aa99777
1311223976
149121015
15600ba7d
hex413720b

68383243 has 2 divisors, whose sum is σ = 68383244. Its totient is φ = 68383242.

The previous prime is 68383229. The next prime is 68383253. The reversal of 68383243 is 34238386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68383243 - 29 = 68382731 is a prime.

It is not a weakly prime, because it can be changed into another prime (68383213) 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, 34191621 + 34191622.

It is an arithmetic number, because the mean of its divisors is an integer number (34191622).

Almost surely, 268383243 is an apocalyptic number.

68383243 is a deficient number, since it is larger than the sum of its proper divisors (1).

68383243 is an equidigital number, since it uses as much as digits as its factorization.

68383243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 68383243 is about 8269.4161220729. The cubic root of 68383243 is about 408.9308710827.

The spelling of 68383243 in words is "sixty-eight million, three hundred eighty-three thousand, two hundred forty-three".