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28964653 is a prime number
BaseRepresentation
bin110111001111…
…1011100101101
32000111120000221
41232133130231
524403332103
62512451341
7501124024
oct156373455
960446027
1028964653
1115393633
129849b51
136001963
143bbd8bb
1528221bd
hex1b9f72d

28964653 has 2 divisors, whose sum is σ = 28964654. Its totient is φ = 28964652.

The previous prime is 28964629. The next prime is 28964687. The reversal of 28964653 is 35646982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26081449 + 2883204 = 5107^2 + 1698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28964653 is a prime.

It is a super-2 number, since 2×289646532 = 1677902246820818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28964623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14482326 + 14482327.

It is an arithmetic number, because the mean of its divisors is an integer number (14482327).

Almost surely, 228964653 is an apocalyptic number.

It is an amenable number.

28964653 is a deficient number, since it is larger than the sum of its proper divisors (1).

28964653 is an equidigital number, since it uses as much as digits as its factorization.

28964653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 28964653 is about 5381.8819199236. The cubic root of 28964653 is about 307.1068074716.

The spelling of 28964653 in words is "twenty-eight million, nine hundred sixty-four thousand, six hundred fifty-three".