Base | Representation |
---|---|
bin | 110110111111… |
… | …1100101011110 |
3 | 2000020221000012 |
4 | 1231333211132 |
5 | 24340143032 |
6 | 2510003222 |
7 | 500041361 |
oct | 155774536 |
9 | 60227005 |
10 | 28834142 |
11 | 15304577 |
12 | 97a6512 |
13 | 5c8742c |
14 | 3b880d8 |
15 | 27e86b2 |
hex | 1b7f95e |
28834142 has 16 divisors (see below), whose sum is σ = 45900432. Its totient is φ = 13537920.
The previous prime is 28834139. The next prime is 28834163. The reversal of 28834142 is 24143882.
It is a junction number, because it is equal to n+sod(n) for n = 28834099 and 28834108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21833 + ... + 23115.
It is an arithmetic number, because the mean of its divisors is an integer number (2868777).
Almost surely, 228834142 is an apocalyptic number.
28834142 is a deficient number, since it is larger than the sum of its proper divisors (17066290).
28834142 is a wasteful number, since it uses less digits than its factorization.
28834142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1963.
The product of its digits is 12288, while the sum is 32.
The square root of 28834142 is about 5369.7431968391. The cubic root of 28834142 is about 306.6448516828.
The spelling of 28834142 in words is "twenty-eight million, eight hundred thirty-four thousand, one hundred forty-two".
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