Base | Representation |
---|---|
bin | 110110001010… |
… | …0000010001110 |
3 | 1222102112201100 |
4 | 1230110002032 |
5 | 24232043424 |
6 | 2452323530 |
7 | 463225134 |
oct | 154240216 |
9 | 58375640 |
10 | 28393614 |
11 | 150335a7 |
12 | 96135a6 |
13 | 5b61a72 |
14 | 3ab1754 |
15 | 275cdc9 |
hex | 1b1408e |
28393614 has 24 divisors (see below), whose sum is σ = 61799400. Its totient is φ = 9421488.
The previous prime is 28393601. The next prime is 28393633. The reversal of 28393614 is 41639382.
28393614 is a `hidden beast` number, since 2 + 8 + 39 + 3 + 614 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612 + ... + 7560.
It is an arithmetic number, because the mean of its divisors is an integer number (2574975).
Almost surely, 228393614 is an apocalyptic number.
28393614 is an abundant number, since it is smaller than the sum of its proper divisors (33405786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28393614 is a wasteful number, since it uses less digits than its factorization.
28393614 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7184 (or 7181 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 28393614 is about 5328.5658483310. The cubic root of 28393614 is about 305.0751906351.
The spelling of 28393614 in words is "twenty-eight million, three hundred ninety-three thousand, six hundred fourteen".
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