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5238208949 is a prime number
BaseRepresentation
bin1001110000011100…
…01011100110110101
3111112001121120210212
410320032023212311
541211440141244
62223440555205
7243544020131
oct47016134665
914461546725
105238208949
112248917a06
121022322b05
1365630342c
1437998c3c1
15209d0bd9e
hex13838b9b5

5238208949 has 2 divisors, whose sum is σ = 5238208950. Its totient is φ = 5238208948.

The previous prime is 5238208919. The next prime is 5238208981. The reversal of 5238208949 is 9498028325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5176083025 + 62125924 = 71945^2 + 7882^2 .

It is a cyclic number.

It is not a de Polignac number, because 5238208949 - 228 = 4969773493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5238208897 and 5238208906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5238208909) 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, 2619104474 + 2619104475.

It is an arithmetic number, because the mean of its divisors is an integer number (2619104475).

Almost surely, 25238208949 is an apocalyptic number.

It is an amenable number.

5238208949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5238208949 is an equidigital number, since it uses as much as digits as its factorization.

5238208949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 5238208949 is about 72375.4720122778. The cubic root of 5238208949 is about 1736.7112040471.

The spelling of 5238208949 in words is "five billion, two hundred thirty-eight million, two hundred eight thousand, nine hundred forty-nine".