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228009184 = 2513548099
BaseRepresentation
bin11011001011100…
…10010011100000
3120220001001210121
431211302103200
5431332243214
634343010024
75436021544
oct1545622340
9526031717
10228009184
11107783747
1264439914
13383130a0
14223d3a24
151503d424
hexd9724e0

228009184 has 24 divisors (see below), whose sum is σ = 483424200. Its totient is φ = 105234816.

The previous prime is 228009169. The next prime is 228009193. The reversal of 228009184 is 481900822.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 273634 + ... + 274465.

It is an arithmetic number, because the mean of its divisors is an integer number (20142675).

Almost surely, 2228009184 is an apocalyptic number.

It is an amenable number.

228009184 is an abundant number, since it is smaller than the sum of its proper divisors (255415016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228009184 is a wasteful number, since it uses less digits than its factorization.

228009184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548122 (or 548114 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 228009184 is about 15099.9729801083. The cubic root of 228009184 is about 610.9196769665.

The spelling of 228009184 in words is "two hundred twenty-eight million, nine thousand, one hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 548099 1096198 2192396 4384792 7125287 8769584 14250574 17539168 28501148 57002296 114004592 228009184