Base | Representation |
---|---|
bin | 11111011011011101011110 |
3 | 120111120201000 |
4 | 133123131132 |
5 | 4102121232 |
6 | 452331130 |
7 | 130013145 |
oct | 37333536 |
9 | 16446630 |
10 | 8238942 |
11 | 4718048 |
12 | 2913aa6 |
13 | 192611a |
14 | 114675c |
15 | acb27c |
hex | 7db75e |
8238942 has 32 divisors (see below), whose sum is σ = 18408960. Its totient is φ = 2731320.
The previous prime is 8238907. The next prime is 8238953. The reversal of 8238942 is 2498328.
It is a junction number, because it is equal to n+sod(n) for n = 8238897 and 8238906.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14353 + ... + 14915.
It is an arithmetic number, because the mean of its divisors is an integer number (575280).
Almost surely, 28238942 is an apocalyptic number.
8238942 is an abundant number, since it is smaller than the sum of its proper divisors (10170018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8238942 is a wasteful number, since it uses less digits than its factorization.
8238942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 845 (or 839 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 8238942 is about 2870.3557270833. The cubic root of 8238942 is about 201.9716818127.
It can be divided in two parts, 8238 and 942, that added together give a triangular number (9180 = T135).
The spelling of 8238942 in words is "eight million, two hundred thirty-eight thousand, nine hundred forty-two".
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