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28071059 is a prime number
BaseRepresentation
bin110101100010…
…1010010010011
31221211011020212
41223011102103
524141233214
62441354335
7460412552
oct153052223
957734225
1028071059
1114933225
1294989ab
135a7acc3
143a29d99
1526e753e
hex1ac5493

28071059 has 2 divisors, whose sum is σ = 28071060. Its totient is φ = 28071058.

The previous prime is 28071013. The next prime is 28071067. The reversal of 28071059 is 95017082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28071059 - 212 = 28066963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28071359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14035529 + 14035530.

It is an arithmetic number, because the mean of its divisors is an integer number (14035530).

Almost surely, 228071059 is an apocalyptic number.

28071059 is a deficient number, since it is larger than the sum of its proper divisors (1).

28071059 is an equidigital number, since it uses as much as digits as its factorization.

28071059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 28071059 is about 5298.2128118829. The cubic root of 28071059 is about 303.9155575426.

The spelling of 28071059 in words is "twenty-eight million, seventy-one thousand, fifty-nine".