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200230561 is a prime number
BaseRepresentation
bin10111110111101…
…00011010100001
3111221202202200201
423323310122201
5402224334221
631511345201
74650634366
oct1373643241
9457682621
10200230561
11a3030203
1257082201
133263822b
141c84246d
15128a2891
hexbef46a1

200230561 has 2 divisors, whose sum is σ = 200230562. Its totient is φ = 200230560.

The previous prime is 200230549. The next prime is 200230621. The reversal of 200230561 is 165032002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168194961 + 32035600 = 12969^2 + 5660^2 .

It is a cyclic number.

It is not a de Polignac number, because 200230561 - 29 = 200230049 is a prime.

It is not a weakly prime, because it can be changed into another prime (200230061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100115280 + 100115281.

It is an arithmetic number, because the mean of its divisors is an integer number (100115281).

Almost surely, 2200230561 is an apocalyptic number.

It is an amenable number.

200230561 is a deficient number, since it is larger than the sum of its proper divisors (1).

200230561 is an equidigital number, since it uses as much as digits as its factorization.

200230561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 200230561 is about 14150.2848381225. The cubic root of 200230561 is about 585.0281828291.

Adding to 200230561 its reverse (165032002), we get a palindrome (365262563).

The spelling of 200230561 in words is "two hundred million, two hundred thirty thousand, five hundred sixty-one".