Base | Representation |
---|---|
bin | 111101000100… |
… | …1101000011100 |
3 | 2020020211120201 |
4 | 1322021220130 |
5 | 31144133040 |
6 | 3102153244 |
7 | 536113513 |
oct | 172115034 |
9 | 66224521 |
10 | 32021020 |
11 | 17090959 |
12 | a882824 |
13 | 6831b65 |
14 | 437767a |
15 | 2c27a9a |
hex | 1e89a1c |
32021020 has 12 divisors (see below), whose sum is σ = 67244184. Its totient is φ = 12808400.
The previous prime is 32021009. The next prime is 32021027. The reversal of 32021020 is 2012023.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 32020988 and 32021006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32021027) 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, 800506 + ... + 800545.
It is an arithmetic number, because the mean of its divisors is an integer number (5603682).
Almost surely, 232021020 is an apocalyptic number.
It is an amenable number.
32021020 is an abundant number, since it is smaller than the sum of its proper divisors (35223164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32021020 is a wasteful number, since it uses less digits than its factorization.
32021020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601060 (or 1601058 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 32021020 is about 5658.7118675543. The cubic root of 32021020 is about 317.5497101161.
Adding to 32021020 its reverse (2012023), we get a palindrome (34033043).
The spelling of 32021020 in words is "thirty-two million, twenty-one thousand, twenty".
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