Base | Representation |
---|---|
bin | 111110100010… |
… | …1100001110010 |
3 | 2021200221022020 |
4 | 1331011201302 |
5 | 31343300032 |
6 | 3130452310 |
7 | 545500353 |
oct | 175054162 |
9 | 67627266 |
10 | 32790642 |
11 | 17567105 |
12 | ab94096 |
13 | 6a41261 |
14 | 44d7d2a |
15 | 2d2ab2c |
hex | 1f45872 |
32790642 has 8 divisors (see below), whose sum is σ = 65581296. Its totient is φ = 10930212.
The previous prime is 32790629. The next prime is 32790649. The reversal of 32790642 is 24609723.
It is a sphenic number, since it is the product of 3 distinct primes.
32790642 is an admirable number.
It is a Smith number, since the sum of its digits (33) 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 (32790649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732548 + ... + 2732559.
It is an arithmetic number, because the mean of its divisors is an integer number (8197662).
Almost surely, 232790642 is an apocalyptic number.
32790642 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.
32790642 is a wasteful number, since it uses less digits than its factorization.
32790642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5465112.
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 32790642 is about 5726.3113781910. The cubic root of 32790642 is about 320.0736874575.
The spelling of 32790642 in words is "thirty-two million, seven hundred ninety thousand, six hundred forty-two".
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