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1248449 is a prime number
BaseRepresentation
bin100110000110011000001
32100102112212
410300303001
5304422244
642431505
713416536
oct4606301
92312485
101248449
11782a84
12502595
13349337
14246d8d
15199d9e
hex130cc1

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".