Base | Representation |
---|---|
bin | 11111011011010011010010 |
3 | 120111112210212 |
4 | 133123103102 |
5 | 4102111130 |
6 | 452324122 |
7 | 130011224 |
oct | 37332322 |
9 | 16445725 |
10 | 8238290 |
11 | 4717605 |
12 | 2913642 |
13 | 1925a38 |
14 | 1146414 |
15 | acae95 |
hex | 7db4d2 |
8238290 has 8 divisors (see below), whose sum is σ = 14828940. Its totient is φ = 3295312.
The previous prime is 8238287. The next prime is 8238299. The reversal of 8238290 is 928328.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8014561 + 223729 = 2831^2 + 473^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (8238299) 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, 411905 + ... + 411924.
Almost surely, 28238290 is an apocalyptic number.
8238290 is a deficient number, since it is larger than the sum of its proper divisors (6590650).
8238290 is a wasteful number, since it uses less digits than its factorization.
8238290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823836.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 8238290 is about 2870.2421500633. The cubic root of 8238290 is about 201.9663539033.
The spelling of 8238290 in words is "eight million, two hundred thirty-eight thousand, two hundred ninety".
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