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28963241 is a prime number
BaseRepresentation
bin110111001111…
…1000110101001
32000111111002122
41232133012221
524403310431
62512441025
7501116636
oct156370651
960444078
1028963241
111539256a
129849175
136001118
143bbd18d
152821a7b
hex1b9f1a9

28963241 has 2 divisors, whose sum is σ = 28963242. Its totient is φ = 28963240.

The previous prime is 28963237. The next prime is 28963271. The reversal of 28963241 is 14236982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 115600 = 5371^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 28963241 - 22 = 28963237 is a prime.

It is equal to p1797533 and since 28963241 and 1797533 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28963271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14481620 + 14481621.

It is an arithmetic number, because the mean of its divisors is an integer number (14481621).

Almost surely, 228963241 is an apocalyptic number.

It is an amenable number.

28963241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28963241 is an equidigital number, since it uses as much as digits as its factorization.

28963241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 28963241 is about 5381.7507374459. The cubic root of 28963241 is about 307.1018169997.

The spelling of 28963241 in words is "twenty-eight million, nine hundred sixty-three thousand, two hundred forty-one".