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8268149 is a prime number
BaseRepresentation
bin11111100010100101110101
3120120001202202
4133202211311
54104040044
6453114245
7130164251
oct37424565
916501682
108268149
114737a8a
122928985
1319364c6
141153261
15ad4c4e
hex7e2975

8268149 has 2 divisors, whose sum is σ = 8268150. Its totient is φ = 8268148.

The previous prime is 8268079. The next prime is 8268151. The reversal of 8268149 is 9418628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5522500 + 2745649 = 2350^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 8268149 - 216 = 8202613 is a prime.

Together with 8268151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8268179) 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, 4134074 + 4134075.

It is an arithmetic number, because the mean of its divisors is an integer number (4134075).

Almost surely, 28268149 is an apocalyptic number.

It is an amenable number.

8268149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268149 is an equidigital number, since it uses as much as digits as its factorization.

8268149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 8268149 is about 2875.4389230168. The cubic root of 8268149 is about 202.2100631479.

The spelling of 8268149 in words is "eight million, two hundred sixty-eight thousand, one hundred forty-nine".