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28036259 is a prime number
BaseRepresentation
bin110101011110…
…0110010100011
31221202101111222
41222330302203
524134130014
62440525255
7460206236
oct152746243
957671458
1028036259
111490a069
12948082b
135a68204
143a1b41d
1526dc08e
hex1abcca3

28036259 has 2 divisors, whose sum is σ = 28036260. Its totient is φ = 28036258.

The previous prime is 28036249. The next prime is 28036273. The reversal of 28036259 is 95263082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28036259 - 28 = 28036003 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28036219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14018129 + 14018130.

It is an arithmetic number, because the mean of its divisors is an integer number (14018130).

Almost surely, 228036259 is an apocalyptic number.

28036259 is a deficient number, since it is larger than the sum of its proper divisors (1).

28036259 is an equidigital number, since it uses as much as digits as its factorization.

28036259 is an evil number, because the sum of its binary digits is even.

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

The square root of 28036259 is about 5294.9276671169. The cubic root of 28036259 is about 303.7899164577.

The spelling of 28036259 in words is "twenty-eight million, thirty-six thousand, two hundred fifty-nine".