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1248469 is a prime number
BaseRepresentation
bin100110000110011010101
32100102120121
410300303111
5304422334
642431541
713416565
oct4606325
92312517
101248469
11782aa2
125025b1
13349351
14246da5
15199db4
hex130cd5

1248469 has 2 divisors, whose sum is σ = 1248470. Its totient is φ = 1248468.

The previous prime is 1248451. The next prime is 1248493. The reversal of 1248469 is 9648421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 114244 = 1065^2 + 338^2 .

It is an emirp because it is prime and its reverse (9648421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1248469 - 27 = 1248341 is a prime.

It is a super-2 number, since 2×12484692 = 3117349687922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624234 + 624235.

It is an arithmetic number, because the mean of its divisors is an integer number (624235).

21248469 is an apocalyptic number.

It is an amenable number.

1248469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248469 is an equidigital number, since it uses as much as digits as its factorization.

1248469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 1248469 is about 1117.3490949565. The cubic root of 1248469 is about 107.6777373407.

The spelling of 1248469 in words is "one million, two hundred forty-eight thousand, four hundred sixty-nine".