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285108323 is a prime number
BaseRepresentation
bin10000111111100…
…110100001100011
3201212111000002112
4100333212201203
51040441431243
644142505535
710031244413
oct2077464143
9655430075
10285108323
11136a33115
127b5952ab
13470b5866
1429c18643
151a06b818
hex10fe6863

285108323 has 2 divisors, whose sum is σ = 285108324. Its totient is φ = 285108322.

The previous prime is 285108311. The next prime is 285108331. The reversal of 285108323 is 323801582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285108323 - 26 = 285108259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285108323.

It is not a weakly prime, because it can be changed into another prime (285108823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142554161 + 142554162.

It is an arithmetic number, because the mean of its divisors is an integer number (142554162).

Almost surely, 2285108323 is an apocalyptic number.

285108323 is a deficient number, since it is larger than the sum of its proper divisors (1).

285108323 is an equidigital number, since it uses as much as digits as its factorization.

285108323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 285108323 is about 16885.1509617178. The cubic root of 285108323 is about 658.1678010281.

The spelling of 285108323 in words is "two hundred eighty-five million, one hundred eight thousand, three hundred twenty-three".