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28025183 is a prime number
BaseRepresentation
bin110101011101…
…0000101011111
31221201211022202
41222322011133
524133301213
62440402115
7460132034
oct152720537
957654282
1028025183
111490180a
12947633b
135a63164
143a1738b
1526d8b58
hex1aba15f

28025183 has 2 divisors, whose sum is σ = 28025184. Its totient is φ = 28025182.

The previous prime is 28025159. The next prime is 28025189. The reversal of 28025183 is 38152082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28025183 - 210 = 28024159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28025189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012591 + 14012592.

It is an arithmetic number, because the mean of its divisors is an integer number (14012592).

Almost surely, 228025183 is an apocalyptic number.

28025183 is a deficient number, since it is larger than the sum of its proper divisors (1).

28025183 is an equidigital number, since it uses as much as digits as its factorization.

28025183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28025183 is about 5293.8816571586. The cubic root of 28025183 is about 303.7499061231.

The spelling of 28025183 in words is "twenty-eight million, twenty-five thousand, one hundred eighty-three".