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68332933 is a prime number
BaseRepresentation
bin1000001001010…
…10110110000101
311202120200011101
410010222312011
5114443123213
610440340101
71456551244
oct404526605
9152520141
1068332933
11356325a9
121aa74631
1311206ab6
14910a95b
155eebbdd
hex412ad85

68332933 has 2 divisors, whose sum is σ = 68332934. Its totient is φ = 68332932.

The previous prime is 68332919. The next prime is 68332939. The reversal of 68332933 is 33923386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60481729 + 7851204 = 7777^2 + 2802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68332933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68332892 and 68332901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68332939) 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, 34166466 + 34166467.

It is an arithmetic number, because the mean of its divisors is an integer number (34166467).

Almost surely, 268332933 is an apocalyptic number.

It is an amenable number.

68332933 is a deficient number, since it is larger than the sum of its proper divisors (1).

68332933 is an equidigital number, since it uses as much as digits as its factorization.

68332933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 37.

The square root of 68332933 is about 8266.3736305589. The cubic root of 68332933 is about 408.8305621054.

The spelling of 68332933 in words is "sixty-eight million, three hundred thirty-two thousand, nine hundred thirty-three".