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285574241 is a prime number
BaseRepresentation
bin10001000001011…
…000010001100001
3201220100200012202
4101001120101201
51041101333431
644200502545
710035224651
oct2101302141
9656320182
10285574241
11137221177
127b77aa55
1347219954
1429cda361
151a10e8cb
hex11058461

285574241 has 2 divisors, whose sum is σ = 285574242. Its totient is φ = 285574240.

The previous prime is 285574231. The next prime is 285574253. The reversal of 285574241 is 142475582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258534241 + 27040000 = 16079^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 285574241 - 210 = 285573217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 285574195 and 285574204.

It is not a weakly prime, because it can be changed into another prime (285574231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142787120 + 142787121.

It is an arithmetic number, because the mean of its divisors is an integer number (142787121).

Almost surely, 2285574241 is an apocalyptic number.

It is an amenable number.

285574241 is a deficient number, since it is larger than the sum of its proper divisors (1).

285574241 is an equidigital number, since it uses as much as digits as its factorization.

285574241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 38.

The square root of 285574241 is about 16898.9420083034. The cubic root of 285574241 is about 658.5261272159.

The spelling of 285574241 in words is "two hundred eighty-five million, five hundred seventy-four thousand, two hundred forty-one".