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28984116 = 22371720297
BaseRepresentation
bin110111010010…
…0001100110100
32000112112201210
41232210030310
524404442431
62513121420
7501234540
oct156441464
960475653
1028984116
11153a7217
129859270
13600a785
143bc6a20
152827d46
hex1ba4334

28984116 has 48 divisors (see below), whose sum is σ = 81841536. Its totient is φ = 7793664.

The previous prime is 28984093. The next prime is 28984121. The reversal of 28984116 is 61148982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8721 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (1705032).

Almost surely, 228984116 is an apocalyptic number.

It is an amenable number.

28984116 is an abundant number, since it is smaller than the sum of its proper divisors (52857420).

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

28984116 is a wasteful number, since it uses less digits than its factorization.

28984116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20328 (or 20326 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 28984116 is about 5383.6898127585. The cubic root of 28984116 is about 307.1755795882.

The spelling of 28984116 in words is "twenty-eight million, nine hundred eighty-four thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 20297 40594 60891 81188 121782 142079 243564 284158 345049 426237 568316 690098 852474 1035147 1380196 1704948 2070294 2415343 4140588 4830686 7246029 9661372 14492058 28984116