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5081287 is a prime number
BaseRepresentation
bin10011011000100011000111
3100120011012211
4103120203013
52300100122
6300524251
761122151
oct23304307
910504184
105081287
112960712
121850687
13108baa3
14963ad1
156a5877
hex4d88c7

5081287 has 2 divisors, whose sum is σ = 5081288. Its totient is φ = 5081286.

The previous prime is 5081231. The next prime is 5081291. The reversal of 5081287 is 7821805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5081287 - 27 = 5081159 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 (5081387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540643 + 2540644.

It is an arithmetic number, because the mean of its divisors is an integer number (2540644).

Almost surely, 25081287 is an apocalyptic number.

5081287 is a deficient number, since it is larger than the sum of its proper divisors (1).

5081287 is an equidigital number, since it uses as much as digits as its factorization.

5081287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5081287 is about 2254.1710227931. The cubic root of 5081287 is about 171.9192766150.

It can be divided in two parts, 508 and 1287, that multiplied together give a triangular number (653796 = T1143).

The spelling of 5081287 in words is "five million, eighty-one thousand, two hundred eighty-seven".