Base | Representation |
---|---|
bin | 111101000010… |
… | …1110001111010 |
3 | 2020020000221100 |
4 | 1322011301322 |
5 | 31143131432 |
6 | 3101552230 |
7 | 536016513 |
oct | 172056172 |
9 | 66200840 |
10 | 32005242 |
11 | 17080015 |
12 | a875676 |
13 | 6827919 |
14 | 4371a0a |
15 | 2c2307c |
hex | 1e85c7a |
32005242 has 12 divisors (see below), whose sum is σ = 69344730. Its totient is φ = 10668408.
The previous prime is 32005229. The next prime is 32005243. The reversal of 32005242 is 24250023.
It can be written as a sum of positive squares in only one way, i.e., 30239001 + 1766241 = 5499^2 + 1329^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1778069 = 32005242 / (3 + 2 + 0 + 0 + 5 + 2 + 4 + 2).
It is not an unprimeable number, because it can be changed into a prime (32005243) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 889017 + ... + 889052.
Almost surely, 232005242 is an apocalyptic number.
32005242 is an abundant number, since it is smaller than the sum of its proper divisors (37339488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32005242 is a wasteful number, since it uses less digits than its factorization.
32005242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1778077 (or 1778074 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 32005242 is about 5657.3175622374. The cubic root of 32005242 is about 317.4975451894.
Adding to 32005242 its reverse (24250023), we get a palindrome (56255265).
The spelling of 32005242 in words is "thirty-two million, five thousand, two hundred forty-two".
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