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68793761 is a prime number
BaseRepresentation
bin1000001100110…
…11010110100001
311210110002022002
410012123112201
5120102400021
610454253345
71463510621
oct406332641
9153402262
1068793761
1135917853
121b057255
131133878a
1491ca881
15608d50b
hex419b5a1

68793761 has 2 divisors, whose sum is σ = 68793762. Its totient is φ = 68793760.

The previous prime is 68793757. The next prime is 68793773. The reversal of 68793761 is 16739786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 25563136 = 6575^2 + 5056^2 .

It is a cyclic number.

It is not a de Polignac number, because 68793761 - 22 = 68793757 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68793701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34396880 + 34396881.

It is an arithmetic number, because the mean of its divisors is an integer number (34396881).

Almost surely, 268793761 is an apocalyptic number.

It is an amenable number.

68793761 is a deficient number, since it is larger than the sum of its proper divisors (1).

68793761 is an equidigital number, since it uses as much as digits as its factorization.

68793761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 68793761 is about 8294.2004436835. The cubic root of 68793761 is about 409.7475364238.

The spelling of 68793761 in words is "sixty-eight million, seven hundred ninety-three thousand, seven hundred sixty-one".