Base | Representation |
---|---|
bin | 111101000100… |
… | …1011010100011 |
3 | 2020020210100210 |
4 | 1322021122203 |
5 | 31144121011 |
6 | 3102145203 |
7 | 536111103 |
oct | 172113243 |
9 | 66223323 |
10 | 32020131 |
11 | 17090220 |
12 | a882203 |
13 | 6831630 |
14 | 4377203 |
15 | 2c276a6 |
hex | 1e896a3 |
32020131 has 32 divisors (see below), whose sum is σ = 50722560. Its totient is φ = 17712000.
The previous prime is 32020127. The next prime is 32020159. The reversal of 32020131 is 13102023.
It is a happy number.
It is not a de Polignac number, because 32020131 - 22 = 32020127 is a prime.
It is a super-2 number, since 2×320201312 = 2050577578514322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (32020831) 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 31 ways as a sum of consecutive naturals, for example, 42960 + ... + 43698.
It is an arithmetic number, because the mean of its divisors is an integer number (1585080).
Almost surely, 232020131 is an apocalyptic number.
32020131 is a deficient number, since it is larger than the sum of its proper divisors (18702429).
32020131 is a wasteful number, since it uses less digits than its factorization.
32020131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 32020131 is about 5658.6333155630. The cubic root of 32020131 is about 317.5467713766.
Adding to 32020131 its reverse (13102023), we get a palindrome (45122154).
The spelling of 32020131 in words is "thirty-two million, twenty thousand, one hundred thirty-one".
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