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300044221 is a prime number
BaseRepresentation
bin10001111000100…
…100111110111101
3202220120211021221
4101320210332331
51103302403341
645434553341
710302222331
oct2170447675
9686524257
10300044221
11144404734
1284598851
134a214c79
142bbc57c1
151b51bed1
hex11e24fbd

300044221 has 2 divisors, whose sum is σ = 300044222. Its totient is φ = 300044220.

The previous prime is 300044207. The next prime is 300044293. The reversal of 300044221 is 122440003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256352121 + 43692100 = 16011^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 300044221 - 25 = 300044189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300044195 and 300044204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300044201) 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, 150022110 + 150022111.

It is an arithmetic number, because the mean of its divisors is an integer number (150022111).

Almost surely, 2300044221 is an apocalyptic number.

It is an amenable number.

300044221 is a deficient number, since it is larger than the sum of its proper divisors (1).

300044221 is an equidigital number, since it uses as much as digits as its factorization.

300044221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 300044221 is about 17321.7845789630. The cubic root of 300044221 is about 669.4658406823.

Adding to 300044221 its reverse (122440003), we get a palindrome (422484224).

It can be divided in two parts, 30004 and 4221, that added together give a square (34225 = 1852).

The spelling of 300044221 in words is "three hundred million, forty-four thousand, two hundred twenty-one".