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300031349 is a prime number
BaseRepresentation
bin10001111000100…
…001110101110101
3202220120011122012
4101320201311311
51103302000344
645434414005
710302136652
oct2170416565
9686504565
10300031349
111443a5aa2
1284591305
134a20c157
142bbc0c29
151b51829e
hex11e21d75

300031349 has 2 divisors, whose sum is σ = 300031350. Its totient is φ = 300031348.

The previous prime is 300031331. The next prime is 300031363. The reversal of 300031349 is 943130003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282475249 + 17556100 = 16807^2 + 4190^2 .

It is a cyclic number.

It is not a de Polignac number, because 300031349 - 212 = 300027253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300031049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150015674 + 150015675.

It is an arithmetic number, because the mean of its divisors is an integer number (150015675).

Almost surely, 2300031349 is an apocalyptic number.

It is an amenable number.

300031349 is a deficient number, since it is larger than the sum of its proper divisors (1).

300031349 is an equidigital number, since it uses as much as digits as its factorization.

300031349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 300031349 is about 17321.4130197279. The cubic root of 300031349 is about 669.4562671073.

The spelling of 300031349 in words is "three hundred million, thirty-one thousand, three hundred forty-nine".