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28084208 = 241755263
BaseRepresentation
bin110101100100…
…0011111110000
31221211211021212
41223020133300
524142143313
62441535252
7460466105
oct153103760
957754255
1028084208
1114942099
1294a4528
135a83c99
143a30aac
1526eb3a8
hex1ac87f0

28084208 has 10 divisors (see below), whose sum is σ = 54413184. Its totient is φ = 14042096.

The previous prime is 28084207. The next prime is 28084237. The reversal of 28084208 is 80248082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28084201) 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, 877616 + ... + 877647.

Almost surely, 228084208 is an apocalyptic number.

It is an amenable number.

28084208 is a deficient number, since it is larger than the sum of its proper divisors (26328976).

28084208 is a wasteful number, since it uses less digits than its factorization.

28084208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755271 (or 1755265 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 28084208 is about 5299.4535567358. The cubic root of 28084208 is about 303.9630033463.

The spelling of 28084208 in words is "twenty-eight million, eighty-four thousand, two hundred eight".

Divisors: 1 2 4 8 16 1755263 3510526 7021052 14042104 28084208