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8680249 is a prime number
BaseRepresentation
bin100001000111…
…001100111001
3121100000001201
4201013030321
54210231444
6510014201
7133531564
oct41071471
917300051
108680249
114999666
122aa7361
131a4bc56
14121d4db
15b66dd4
hex847339

8680249 has 2 divisors, whose sum is σ = 8680250. Its totient is φ = 8680248.

The previous prime is 8680229. The next prime is 8680267. The reversal of 8680249 is 9420868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4700224 + 3980025 = 2168^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 8680249 - 27 = 8680121 is a prime.

It is not a weakly prime, because it can be changed into another prime (8680219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340124 + 4340125.

It is an arithmetic number, because the mean of its divisors is an integer number (4340125).

Almost surely, 28680249 is an apocalyptic number.

It is an amenable number.

8680249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8680249 is an equidigital number, since it uses as much as digits as its factorization.

8680249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 8680249 is about 2946.2262302817. The cubic root of 8680249 is about 205.5152535332.

The spelling of 8680249 in words is "eight million, six hundred eighty thousand, two hundred forty-nine".