Base | Representation |
---|---|
bin | 110101110110… |
… | …0011011110010 |
3 | 1222010022012210 |
4 | 1223230123302 |
5 | 24211401120 |
6 | 2445032550 |
7 | 461651214 |
oct | 153543362 |
9 | 58108183 |
10 | 28231410 |
11 | 14a32749 |
12 | 9555756 |
13 | 5b05c9c |
14 | 3a6c5b4 |
15 | 2729ce0 |
hex | 1aec6f2 |
28231410 has 32 divisors (see below), whose sum is σ = 68870592. Its totient is φ = 7404480.
The previous prime is 28231409. The next prime is 28231433. The reversal of 28231410 is 1413282.
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, 5884 + ... + 9543.
It is an arithmetic number, because the mean of its divisors is an integer number (2152206).
Almost surely, 228231410 is an apocalyptic number.
28231410 is an abundant number, since it is smaller than the sum of its proper divisors (40639182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28231410 is a wasteful number, since it uses less digits than its factorization.
28231410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15498.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 28231410 is about 5313.3238184775. The cubic root of 28231410 is about 304.4931472435.
Adding to 28231410 its reverse (1413282), we get a palindrome (29644692).
The spelling of 28231410 in words is "twenty-eight million, two hundred thirty-one thousand, four hundred ten".
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