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68708093 is a prime number
BaseRepresentation
bin1000001100001…
…10011011111101
311210021201210012
410012012123331
5120042124333
610452353005
71463003066
oct406063375
9153251705
1068708093
1135869453
121b015765
131130879c
1491a756d
156072e48
hex41866fd

68708093 has 2 divisors, whose sum is σ = 68708094. Its totient is φ = 68708092.

The previous prime is 68708083. The next prime is 68708099. The reversal of 68708093 is 39080786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36024004 + 32684089 = 6002^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 68708093 - 24 = 68708077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68708093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68708099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34354046 + 34354047.

It is an arithmetic number, because the mean of its divisors is an integer number (34354047).

Almost surely, 268708093 is an apocalyptic number.

It is an amenable number.

68708093 is a deficient number, since it is larger than the sum of its proper divisors (1).

68708093 is an equidigital number, since it uses as much as digits as its factorization.

68708093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68708093 is about 8289.0345034871. The cubic root of 68708093 is about 409.5773812996.

The spelling of 68708093 in words is "sixty-eight million, seven hundred eight thousand, ninety-three".