Base | Representation |
---|---|
bin | 11111011110111011011101 |
3 | 120112022012012 |
4 | 133132323131 |
5 | 4103100044 |
6 | 452521005 |
7 | 130102442 |
oct | 37367335 |
9 | 16468165 |
10 | 8253149 |
11 | 4727793 |
12 | 2920165 |
13 | 192c728 |
14 | 114b9c9 |
15 | ad059e |
hex | 7deedd |
8253149 has 2 divisors, whose sum is σ = 8253150. Its totient is φ = 8253148.
The previous prime is 8253101. The next prime is 8253173. The reversal of 8253149 is 9413528.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6708100 + 1545049 = 2590^2 + 1243^2 .
It is a cyclic number.
It is not a de Polignac number, because 8253149 - 212 = 8249053 is a prime.
It is a super-2 number, since 2×82531492 = 136228936832402, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8253199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126574 + 4126575.
It is an arithmetic number, because the mean of its divisors is an integer number (4126575).
Almost surely, 28253149 is an apocalyptic number.
It is an amenable number.
8253149 is a deficient number, since it is larger than the sum of its proper divisors (1).
8253149 is an equidigital number, since it uses as much as digits as its factorization.
8253149 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8640, while the sum is 32.
The square root of 8253149 is about 2872.8294415088. The cubic root of 8253149 is about 202.0877065786.
The spelling of 8253149 in words is "eight million, two hundred fifty-three thousand, one hundred forty-nine".
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