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200230549 is a prime number
BaseRepresentation
bin10111110111101…
…00011010010101
3111221202202200021
423323310122111
5402224334144
631511345141
74650634351
oct1373643225
9457682607
10200230549
11a30301a2
12570821b1
133263821c
141c842461
15128a2884
hexbef4695

200230549 has 2 divisors, whose sum is σ = 200230550. Its totient is φ = 200230548.

The previous prime is 200230543. The next prime is 200230561. The reversal of 200230549 is 945032002.

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., 165302449 + 34928100 = 12857^2 + 5910^2 .

It is a cyclic number.

It is not a de Polignac number, because 200230549 - 25 = 200230517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200230543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100115274 + 100115275.

It is an arithmetic number, because the mean of its divisors is an integer number (100115275).

Almost surely, 2200230549 is an apocalyptic number.

It is an amenable number.

200230549 is a deficient number, since it is larger than the sum of its proper divisors (1).

200230549 is an equidigital number, since it uses as much as digits as its factorization.

200230549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 200230549 is about 14150.2844141028. The cubic root of 200230549 is about 585.0281711420.

The spelling of 200230549 in words is "two hundred million, two hundred thirty thousand, five hundred forty-nine".