Base | Representation |
---|---|
bin | 11111000011000111011110 |
3 | 120022111220222 |
4 | 133003013132 |
5 | 4040423410 |
6 | 450241342 |
7 | 126116351 |
oct | 37030736 |
9 | 16274828 |
10 | 8139230 |
11 | 465a140 |
12 | 2886252 |
13 | 18bc918 |
14 | 111c298 |
15 | aab955 |
hex | 7c31de |
8139230 has 32 divisors (see below), whose sum is σ = 16257888. Its totient is φ = 2908800.
The previous prime is 8139221. The next prime is 8139251. The reversal of 8139230 is 329318.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 8139230.
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, 6104 + ... + 7316.
It is an arithmetic number, because the mean of its divisors is an integer number (508059).
Almost surely, 28139230 is an apocalyptic number.
8139230 is a deficient number, since it is larger than the sum of its proper divisors (8118658).
8139230 is a wasteful number, since it uses less digits than its factorization.
8139230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1292.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 8139230 is about 2852.9335779159. The cubic root of 8139230 is about 201.1535834335.
The spelling of 8139230 in words is "eight million, one hundred thirty-nine thousand, two hundred thirty".
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