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28124963 is a prime number
BaseRepresentation
bin110101101001…
…0011100100011
31221220220012022
41223102130203
524144444323
62442452055
7461025656
oct153223443
957826168
1028124963
111496a779
12950402b
135a996b9
143a4189d
1527084c8
hex1ad2723

28124963 has 2 divisors, whose sum is σ = 28124964. Its totient is φ = 28124962.

The previous prime is 28124947. The next prime is 28124969. The reversal of 28124963 is 36942182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28124963 - 24 = 28124947 is a prime.

It is equal to p1748708 and since 28124963 and 1748708 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 (28124969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14062481 + 14062482.

It is an arithmetic number, because the mean of its divisors is an integer number (14062482).

Almost surely, 228124963 is an apocalyptic number.

28124963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28124963 is an equidigital number, since it uses as much as digits as its factorization.

28124963 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 28124963 is about 5303.2973705045. The cubic root of 28124963 is about 304.1099664207.

The spelling of 28124963 in words is "twenty-eight million, one hundred twenty-four thousand, nine hundred sixty-three".