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286486897 is a prime number
BaseRepresentation
bin10001000100110…
…111000101110001
3201222002001010211
4101010313011301
51041320040042
644232224121
710046045524
oct2104670561
9658061124
10286486897
11137794934
127bb3b041
1347479198
142a096bbb
151a240017
hex11137171

286486897 has 2 divisors, whose sum is σ = 286486898. Its totient is φ = 286486896.

The previous prime is 286486799. The next prime is 286486901. The reversal of 286486897 is 798684682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235806736 + 50680161 = 15356^2 + 7119^2 .

It is a cyclic number.

It is not a de Polignac number, because 286486897 - 219 = 285962609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (286486297) 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, 143243448 + 143243449.

It is an arithmetic number, because the mean of its divisors is an integer number (143243449).

Almost surely, 2286486897 is an apocalyptic number.

It is an amenable number.

286486897 is a deficient number, since it is larger than the sum of its proper divisors (1).

286486897 is an equidigital number, since it uses as much as digits as its factorization.

286486897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 58.

The square root of 286486897 is about 16925.9238152604. The cubic root of 286486897 is about 659.2269008656.

The spelling of 286486897 in words is "two hundred eighty-six million, four hundred eighty-six thousand, eight hundred ninety-seven".