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28460875 = 53733119
BaseRepresentation
bin110110010010…
…0011101001011
31222112221222111
41230210131023
524241222000
62454003151
7463625212
oct154443513
958487874
1028460875
111507a093
1296464b7
135b86571
143acc079
152772cba
hex1b2474b

28460875 has 16 divisors (see below), whose sum is σ = 36017280. Its totient is φ = 22449600.

The previous prime is 28460869. The next prime is 28460893. The reversal of 28460875 is 57806482.

It is not a de Polignac number, because 28460875 - 25 = 28460843 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7566 + ... + 10684.

It is an arithmetic number, because the mean of its divisors is an integer number (2251080).

Almost surely, 228460875 is an apocalyptic number.

28460875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28460875 is a deficient number, since it is larger than the sum of its proper divisors (7556405).

28460875 is an equidigital number, since it uses as much as digits as its factorization.

28460875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3197 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 28460875 is about 5334.8734755381. The cubic root of 28460875 is about 305.3158959434.

The spelling of 28460875 in words is "twenty-eight million, four hundred sixty thousand, eight hundred seventy-five".

Divisors: 1 5 25 73 125 365 1825 3119 9125 15595 77975 227687 389875 1138435 5692175 28460875