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28036529 is a prime number
BaseRepresentation
bin110101011110…
…0110110110001
31221202101212222
41222330312301
524134132104
62440530425
7460210103
oct152746661
957671788
1028036529
111490a294
129480a15
135a68381
143a1b573
1526dc1be
hex1abcdb1

28036529 has 2 divisors, whose sum is σ = 28036530. Its totient is φ = 28036528.

The previous prime is 28036501. The next prime is 28036549. The reversal of 28036529 is 92563082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16120225 + 11916304 = 4015^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 28036529 - 28 = 28036273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28036549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14018264 + 14018265.

It is an arithmetic number, because the mean of its divisors is an integer number (14018265).

Almost surely, 228036529 is an apocalyptic number.

It is an amenable number.

28036529 is a deficient number, since it is larger than the sum of its proper divisors (1).

28036529 is an equidigital number, since it uses as much as digits as its factorization.

28036529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28036529 is about 5294.9531631545. The cubic root of 28036529 is about 303.7908916593.

The spelling of 28036529 in words is "twenty-eight million, thirty-six thousand, five hundred twenty-nine".