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15319429 is a prime number
BaseRepresentation
bin111010011100…
…000110000101
31001211022022021
4322130012011
512410210204
61304203141
7244133026
oct72340605
931738267
1015319429
118713794
1251694b1
133234b68
14206ac4d
151529154
hexe9c185

15319429 has 2 divisors, whose sum is σ = 15319430. Its totient is φ = 15319428.

The previous prime is 15319417. The next prime is 15319441. The reversal of 15319429 is 92491351.

It is a balanced prime because it is at equal distance from previous prime (15319417) and next prime (15319441).

It can be written as a sum of positive squares in only one way, i.e., 15288100 + 31329 = 3910^2 + 177^2 .

It is an emirp because it is prime and its reverse (92491351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15319429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15319394 and 15319403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15319459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7659714 + 7659715.

It is an arithmetic number, because the mean of its divisors is an integer number (7659715).

Almost surely, 215319429 is an apocalyptic number.

It is an amenable number.

15319429 is a deficient number, since it is larger than the sum of its proper divisors (1).

15319429 is an equidigital number, since it uses as much as digits as its factorization.

15319429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 15319429 is about 3914.0042156339. The cubic root of 15319429 is about 248.3595472030.

The spelling of 15319429 in words is "fifteen million, three hundred nineteen thousand, four hundred twenty-nine".