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68832191 is a prime number
BaseRepresentation
bin1000001101001…
…00101110111111
311210112001000102
410012210232333
5120110112231
610455151315
71464030641
oct406445677
9153461012
1068832191
113594370a
121b07553b
131135010c
1491da891
156099acb
hex41a4bbf

68832191 has 2 divisors, whose sum is σ = 68832192. Its totient is φ = 68832190.

The previous prime is 68832139. The next prime is 68832221. The reversal of 68832191 is 19123886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68832191 - 214 = 68815807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68832131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34416095 + 34416096.

It is an arithmetic number, because the mean of its divisors is an integer number (34416096).

Almost surely, 268832191 is an apocalyptic number.

68832191 is a deficient number, since it is larger than the sum of its proper divisors (1).

68832191 is an equidigital number, since it uses as much as digits as its factorization.

68832191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 68832191 is about 8296.5167992357. The cubic root of 68832191 is about 409.8238207959.

The spelling of 68832191 in words is "sixty-eight million, eight hundred thirty-two thousand, one hundred ninety-one".