Base | Representation |
---|---|
bin | 100000001010… |
… | …011010001010 |
3 | 120212100111020 |
4 | 200022122022 |
5 | 4124244432 |
6 | 500413310 |
7 | 131443611 |
oct | 40123212 |
9 | 16770436 |
10 | 8431242 |
11 | 4839576 |
12 | 29a7236 |
13 | 1992801 |
14 | 1196878 |
15 | b1822c |
hex | 80a68a |
8431242 has 8 divisors (see below), whose sum is σ = 16862496. Its totient is φ = 2810412.
The previous prime is 8431211. The next prime is 8431243. The reversal of 8431242 is 2421348.
It is a sphenic number, since it is the product of 3 distinct primes.
8431242 is an admirable number.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (8431243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702598 + ... + 702609.
It is an arithmetic number, because the mean of its divisors is an integer number (2107812).
Almost surely, 28431242 is an apocalyptic number.
8431242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8431242 is a wasteful number, since it uses less digits than its factorization.
8431242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1405212.
The product of its digits is 1536, while the sum is 24.
The square root of 8431242 is about 2903.6601040755. The cubic root of 8431242 is about 203.5309774614.
The spelling of 8431242 in words is "eight million, four hundred thirty-one thousand, two hundred forty-two".
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