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8136893 is a prime number
BaseRepresentation
bin11111000010100010111101
3120022101201102
4133002202331
54040340033
6450222445
7126106502
oct37024275
916271642
108136893
114658406
122884a25
1318bb83b
14111b4a9
15aaade8
hex7c28bd

8136893 has 2 divisors, whose sum is σ = 8136894. Its totient is φ = 8136892.

The previous prime is 8136889. The next prime is 8136899. The reversal of 8136893 is 3986318.

8136893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7409284 + 727609 = 2722^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 8136893 - 22 = 8136889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8136899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4068446 + 4068447.

It is an arithmetic number, because the mean of its divisors is an integer number (4068447).

Almost surely, 28136893 is an apocalyptic number.

It is an amenable number.

8136893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8136893 is an equidigital number, since it uses as much as digits as its factorization.

8136893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 8136893 is about 2852.5239701009. The cubic root of 8136893 is about 201.1343293221.

The spelling of 8136893 in words is "eight million, one hundred thirty-six thousand, eight hundred ninety-three".