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300149 is a prime number
BaseRepresentation
bin1001001010001110101
3120020201122
41021101311
534101044
610233325
72360033
oct1112165
9506648
10300149
11195563
12125845
13a6805
147b553
155ddee
hex49475

300149 has 2 divisors, whose sum is σ = 300150. Its totient is φ = 300148.

The previous prime is 300137. The next prime is 300151. The reversal of 300149 is 941003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 13924 = 535^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 300149 - 216 = 234613 is a prime.

Together with 300151, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 300149.

It is not a weakly prime, because it can be changed into another prime (300109) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150074 + 150075.

It is an arithmetic number, because the mean of its divisors is an integer number (150075).

2300149 is an apocalyptic number.

It is an amenable number.

300149 is a deficient number, since it is larger than the sum of its proper divisors (1).

300149 is an equidigital number, since it uses as much as digits as its factorization.

300149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 300149 is about 547.8585583889. The cubic root of 300149 is about 66.9543760083.

The spelling of 300149 in words is "three hundred thousand, one hundred forty-nine".