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68184349 is a prime number
BaseRepresentation
bin1000001000001…
…10100100011101
311202022010100021
410010012210131
5114423344344
610433232141
71455362122
oct404064435
9152263307
1068184349
1135540a02
121aa02651
131118428c
1490ac749
155ebcb84
hex410691d

68184349 has 2 divisors, whose sum is σ = 68184350. Its totient is φ = 68184348.

The previous prime is 68184343. The next prime is 68184371. The reversal of 68184349 is 94348186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40411449 + 27772900 = 6357^2 + 5270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68184349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68184343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34092174 + 34092175.

It is an arithmetic number, because the mean of its divisors is an integer number (34092175).

Almost surely, 268184349 is an apocalyptic number.

It is an amenable number.

68184349 is a deficient number, since it is larger than the sum of its proper divisors (1).

68184349 is an equidigital number, since it uses as much as digits as its factorization.

68184349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 68184349 is about 8257.3814856769. The cubic root of 68184349 is about 408.5340249426.

The spelling of 68184349 in words is "sixty-eight million, one hundred eighty-four thousand, three hundred forty-nine".