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1243933 is a prime number
BaseRepresentation
bin100101111101100011101
32100012100121
410233230131
5304301213
642354541
713400425
oct4575435
92305317
101243933
1177a649
124bba51
13347272
14245485
1519888d
hex12fb1d

1243933 has 2 divisors, whose sum is σ = 1243934. Its totient is φ = 1243932.

The previous prime is 1243927. The next prime is 1243939. The reversal of 1243933 is 3393421.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1243927) and next prime (1243939).

It can be written as a sum of positive squares in only one way, i.e., 1194649 + 49284 = 1093^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1243933 - 29 = 1243421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243898 and 1243907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1243939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621966 + 621967.

It is an arithmetic number, because the mean of its divisors is an integer number (621967).

21243933 is an apocalyptic number.

It is an amenable number.

1243933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243933 is an equidigital number, since it uses as much as digits as its factorization.

1243933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 1243933 is about 1115.3174436007. The cubic root of 1243933 is about 107.5471723745.

The spelling of 1243933 in words is "one million, two hundred forty-three thousand, nine hundred thirty-three".