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2806087 is a prime number
BaseRepresentation
bin1010101101000101000111
312021120020011
422231011013
51204243322
6140051051
732565004
oct12550507
95246204
102806087
111647289
12b33a87
1377330b
145308ab
153a6677
hex2ad147

2806087 has 2 divisors, whose sum is σ = 2806088. Its totient is φ = 2806086.

The previous prime is 2806073. The next prime is 2806093. The reversal of 2806087 is 7806082.

2806087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2806087 - 215 = 2773319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2806007) 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, 1403043 + 1403044.

It is an arithmetic number, because the mean of its divisors is an integer number (1403044).

22806087 is an apocalyptic number.

2806087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806087 is an equidigital number, since it uses as much as digits as its factorization.

2806087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2806087 is about 1675.1379047708. The cubic root of 2806087 is about 141.0480362126.

The spelling of 2806087 in words is "two million, eight hundred six thousand, eighty-seven".