Base | Representation |
---|---|
bin | 100110001101… |
… | …1101010001000 |
3 | 1101200221112200 |
4 | 1030123222020 |
5 | 20112124412 |
6 | 1553240200 |
7 | 332206446 |
oct | 114335210 |
9 | 41627480 |
10 | 20036232 |
11 | 10345577 |
12 | 6863060 |
13 | 41c6a78 |
14 | 2937b96 |
15 | 1b5b9dc |
hex | 131ba88 |
20036232 has 48 divisors (see below), whose sum is σ = 54475980. Its totient is φ = 6652800.
The previous prime is 20036227. The next prime is 20036239. The reversal of 20036232 is 23263002.
It can be written as a sum of positive squares in 2 ways, for example, as 19236996 + 799236 = 4386^2 + 894^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20036239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29982 + ... + 30642.
Almost surely, 220036232 is an apocalyptic number.
It is an amenable number.
20036232 is an abundant number, since it is smaller than the sum of its proper divisors (34439748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20036232 is a wasteful number, since it uses less digits than its factorization.
20036232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1094 (or 1087 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 20036232 is about 4476.1849827727. The cubic root of 20036232 is about 271.6055774082.
Adding to 20036232 its reverse (23263002), we get a palindrome (43299234).
The spelling of 20036232 in words is "twenty million, thirty-six thousand, two hundred thirty-two".
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