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1214489 is a prime number
BaseRepresentation
bin100101000100000011001
32021200222002
410220200121
5302330424
642010345
713215533
oct4504031
92250862
101214489
1175a511
124a69b5
13336a43
14238853
1518ecae
hex128819

1214489 has 2 divisors, whose sum is σ = 1214490. Its totient is φ = 1214488.

The previous prime is 1214483. The next prime is 1214519. The reversal of 1214489 is 9844121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 4489 = 1100^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214489 - 212 = 1210393 is a prime.

It is a super-2 number, since 2×12144892 = 2949967062242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1214483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607244 + 607245.

It is an arithmetic number, because the mean of its divisors is an integer number (607245).

21214489 is an apocalyptic number.

It is an amenable number.

1214489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214489 is an equidigital number, since it uses as much as digits as its factorization.

1214489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 1214489 is about 1102.0385655684. The cubic root of 1214489 is about 106.6918375927.

It can be divided in two parts, 121 and 4489, that multiplied together give a square (543169 = 7372).

The spelling of 1214489 in words is "one million, two hundred fourteen thousand, four hundred eighty-nine".