Base | Representation |
---|---|
bin | 100110000110011000001 |
3 | 2100102112212 |
4 | 10300303001 |
5 | 304422244 |
6 | 42431505 |
7 | 13416536 |
oct | 4606301 |
9 | 2312485 |
10 | 1248449 |
11 | 782a84 |
12 | 502595 |
13 | 349337 |
14 | 246d8d |
15 | 199d9e |
hex | 130cc1 |
1248449 has 2 divisors, whose sum is σ = 1248450. Its totient is φ = 1248448.
The previous prime is 1248427. The next prime is 1248451. The reversal of 1248449 is 9448421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1113025 + 135424 = 1055^2 + 368^2 .
It is a cyclic number.
It is not a de Polignac number, because 1248449 - 28 = 1248193 is a prime.
It is a Sophie Germain prime.
Together with 1248451, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1248469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624224 + 624225.
It is an arithmetic number, because the mean of its divisors is an integer number (624225).
21248449 is an apocalyptic number.
It is an amenable number.
1248449 is a deficient number, since it is larger than the sum of its proper divisors (1).
1248449 is an equidigital number, since it uses as much as digits as its factorization.
1248449 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9216, while the sum is 32.
The square root of 1248449 is about 1117.3401451662. The cubic root of 1248449 is about 107.6771623521.
The spelling of 1248449 in words is "one million, two hundred forty-eight thousand, four hundred forty-nine".
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