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285676801 is a prime number
BaseRepresentation
bin10001000001110…
…001010100000001
3201220112212220021
4101001301110001
51041113124201
644203013441
710036132654
oct2101612401
9656485807
10285676801
11137291233
127b80a281
1347254537
1429d2589b
151a12eea1
hex11071501

285676801 has 2 divisors, whose sum is σ = 285676802. Its totient is φ = 285676800.

The previous prime is 285676793. The next prime is 285676819. The reversal of 285676801 is 108676582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179586801 + 106090000 = 13401^2 + 10300^2 .

It is a cyclic number.

It is not a de Polignac number, because 285676801 - 23 = 285676793 is a prime.

It is a super-2 number, since 2×2856768012 = 163222469259187202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (285676871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142838400 + 142838401.

It is an arithmetic number, because the mean of its divisors is an integer number (142838401).

Almost surely, 2285676801 is an apocalyptic number.

It is an amenable number.

285676801 is a deficient number, since it is larger than the sum of its proper divisors (1).

285676801 is an equidigital number, since it uses as much as digits as its factorization.

285676801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 285676801 is about 16901.9762453981. The cubic root of 285676801 is about 658.6049512674.

The spelling of 285676801 in words is "two hundred eighty-five million, six hundred seventy-six thousand, eight hundred one".