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86871383 is a prime number
BaseRepresentation
bin1010010110110…
…00110101010111
320001110112010122
411023120311113
5134214341013
612341542155
72103252224
oct513306527
9201415118
1086871383
1145044835
122511495b
1314cc7bb1
14b77494b
15795ea08
hex52d8d57

86871383 has 2 divisors, whose sum is σ = 86871384. Its totient is φ = 86871382.

The previous prime is 86871373. The next prime is 86871403. The reversal of 86871383 is 38317868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86871383 - 210 = 86870359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86871373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43435691 + 43435692.

It is an arithmetic number, because the mean of its divisors is an integer number (43435692).

Almost surely, 286871383 is an apocalyptic number.

86871383 is a deficient number, since it is larger than the sum of its proper divisors (1).

86871383 is an equidigital number, since it uses as much as digits as its factorization.

86871383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 86871383 is about 9320.4819081419. The cubic root of 86871383 is about 442.8862989030.

The spelling of 86871383 in words is "eighty-six million, eight hundred seventy-one thousand, three hundred eighty-three".