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268885349 is a prime number
BaseRepresentation
bin10000000001101…
…101110101100101
3200201221210100122
4100001231311211
51022313312344
642403051325
76443326205
oct2001556545
9621853318
10268885349
111288625a7
1276070b45
1343925675
14279d4405
1518914aee
hex1006dd65

268885349 has 2 divisors, whose sum is σ = 268885350. Its totient is φ = 268885348.

The previous prime is 268885343. The next prime is 268885367. The reversal of 268885349 is 943588862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266277124 + 2608225 = 16318^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 268885349 - 24 = 268885333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268885349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268885343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134442674 + 134442675.

It is an arithmetic number, because the mean of its divisors is an integer number (134442675).

Almost surely, 2268885349 is an apocalyptic number.

It is an amenable number.

268885349 is a deficient number, since it is larger than the sum of its proper divisors (1).

268885349 is an equidigital number, since it uses as much as digits as its factorization.

268885349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 53.

The square root of 268885349 is about 16397.7238969315. The cubic root of 268885349 is about 645.4397569959.

The spelling of 268885349 in words is "two hundred sixty-eight million, eight hundred eighty-five thousand, three hundred forty-nine".