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6380249 is a prime number
BaseRepresentation
bin11000010101101011011001
3110000011001112
4120111223121
53113131444
6344430105
7105142211
oct30255331
913004045
106380249
113668637
122178335
1314250c5
14bc1241
1586069e
hex615ad9

6380249 has 2 divisors, whose sum is σ = 6380250. Its totient is φ = 6380248.

The previous prime is 6380237. The next prime is 6380251. The reversal of 6380249 is 9420836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 4624 = 2525^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 6380249 - 24 = 6380233 is a prime.

Together with 6380251, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6380279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190124 + 3190125.

It is an arithmetic number, because the mean of its divisors is an integer number (3190125).

Almost surely, 26380249 is an apocalyptic number.

It is an amenable number.

6380249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6380249 is an equidigital number, since it uses as much as digits as its factorization.

6380249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6380249 is about 2525.9154776041. The cubic root of 6380249 is about 185.4723648237.

The spelling of 6380249 in words is "six million, three hundred eighty thousand, two hundred forty-nine".