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80387 is a prime number
BaseRepresentation
bin10011101000000011
311002021022
4103220003
510033022
61420055
7453236
oct235003
9132238
1080387
115543a
123a62b
132a788
142141d
1518c42
hex13a03

80387 has 2 divisors, whose sum is σ = 80388. Its totient is φ = 80386.

The previous prime is 80369. The next prime is 80407. The reversal of 80387 is 78308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80387 - 216 = 14851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40193 + 40194.

It is an arithmetic number, because the mean of its divisors is an integer number (40194).

280387 is an apocalyptic number.

80387 is a deficient number, since it is larger than the sum of its proper divisors (1).

80387 is an equidigital number, since it uses as much as digits as its factorization.

80387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 80387 is about 283.5260129159. The cubic root of 80387 is about 43.1580625822.

The spelling of 80387 in words is "eighty thousand, three hundred eighty-seven".