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68763941 is a prime number
BaseRepresentation
bin1000001100101…
…00000100100101
311210101120101122
410012110010211
5120100421231
610453503325
71463324651
oct406240445
9153346348
1068763941
11358a7404
121b041b45
131132802c
1491bda61
15608477b
hex4194125

68763941 has 2 divisors, whose sum is σ = 68763942. Its totient is φ = 68763940.

The previous prime is 68763911. The next prime is 68763953. The reversal of 68763941 is 14936786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58967041 + 9796900 = 7679^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 68763941 - 210 = 68762917 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68763892 and 68763901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68763911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34381970 + 34381971.

It is an arithmetic number, because the mean of its divisors is an integer number (34381971).

Almost surely, 268763941 is an apocalyptic number.

It is an amenable number.

68763941 is a deficient number, since it is larger than the sum of its proper divisors (1).

68763941 is an equidigital number, since it uses as much as digits as its factorization.

68763941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 68763941 is about 8292.4026072062. The cubic root of 68763941 is about 409.6883235085.

The spelling of 68763941 in words is "sixty-eight million, seven hundred sixty-three thousand, nine hundred forty-one".