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68382641 is a prime number
BaseRepresentation
bin1000001001101…
…10111110110001
311202200012100102
410010312332301
5120001221031
610441402145
71460146205
oct404667661
9152605312
1068382641
1135666988
121aa99355
1311223602
149120b05
15600b7cb
hex4136fb1

68382641 has 2 divisors, whose sum is σ = 68382642. Its totient is φ = 68382640.

The previous prime is 68382607. The next prime is 68382649. The reversal of 68382641 is 14628386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 7480225 = 7804^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 68382641 - 210 = 68381617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68382595 and 68382604.

It is not a weakly prime, because it can be changed into another prime (68382649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34191320 + 34191321.

It is an arithmetic number, because the mean of its divisors is an integer number (34191321).

Almost surely, 268382641 is an apocalyptic number.

It is an amenable number.

68382641 is a deficient number, since it is larger than the sum of its proper divisors (1).

68382641 is an equidigital number, since it uses as much as digits as its factorization.

68382641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 68382641 is about 8269.3797228087. The cubic root of 68382641 is about 408.9296710952.

The spelling of 68382641 in words is "sixty-eight million, three hundred eighty-two thousand, six hundred forty-one".