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28524716 = 2211648289
BaseRepresentation
bin110110011010…
…0000010101100
31222200012112222
41230310002230
524300242331
62455214512
7464312303
oct154640254
958605488
1028524716
1115113050
129677438
135ba963c
143b0743a
152786b7b
hex1b340ac

28524716 has 12 divisors (see below), whose sum is σ = 54456360. Its totient is φ = 12965760.

The previous prime is 28524707. The next prime is 28524721. The reversal of 28524716 is 61742582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324101 + ... + 324188.

It is an arithmetic number, because the mean of its divisors is an integer number (4538030).

Almost surely, 228524716 is an apocalyptic number.

It is an amenable number.

28524716 is a deficient number, since it is larger than the sum of its proper divisors (25931644).

28524716 is a wasteful number, since it uses less digits than its factorization.

28524716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648304 (or 648302 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 28524716 is about 5340.8534898460. The cubic root of 28524716 is about 305.5440116312.

The spelling of 28524716 in words is "twenty-eight million, five hundred twenty-four thousand, seven hundred sixteen".

Divisors: 1 2 4 11 22 44 648289 1296578 2593156 7131179 14262358 28524716