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3287429 is a prime number
BaseRepresentation
bin1100100010100110000101
320012000111122
430202212011
51320144204
6154243325
736641225
oct14424605
96160448
103287429
111945992
121126545
138b1432
14618085
1544e0be
hex322985

3287429 has 2 divisors, whose sum is σ = 3287430. Its totient is φ = 3287428.

The previous prime is 3287359. The next prime is 3287441. The reversal of 3287429 is 9247823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2896804 + 390625 = 1702^2 + 625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3287429 is a prime.

It is a d-powerful number, because it can be written as 33 + 213 + 87 + 74 + 410 + 217 + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643714 + 1643715.

It is an arithmetic number, because the mean of its divisors is an integer number (1643715).

Almost surely, 23287429 is an apocalyptic number.

It is an amenable number.

3287429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287429 is an equidigital number, since it uses as much as digits as its factorization.

3287429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 3287429 is about 1813.1268571173. The cubic root of 3287429 is about 148.6912665047.

The spelling of 3287429 in words is "three million, two hundred eighty-seven thousand, four hundred twenty-nine".