Base | Representation |
---|---|
bin | 100110010010… |
… | …0011100000001 |
3 | 1101202202212120 |
4 | 1030210130001 |
5 | 20114302233 |
6 | 1554114453 |
7 | 332416341 |
oct | 114443401 |
9 | 41682776 |
10 | 20072193 |
11 | 1036a599 |
12 | 687ba29 |
13 | 420a24b |
14 | 2946d21 |
15 | 1b674b3 |
hex | 1324701 |
20072193 has 8 divisors (see below), whose sum is σ = 26902368. Its totient is φ = 13311744.
The previous prime is 20072191. The next prime is 20072203. The reversal of 20072193 is 39127002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20072193 - 21 = 20072191 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20072191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16755 + ... + 17912.
It is an arithmetic number, because the mean of its divisors is an integer number (3362796).
Almost surely, 220072193 is an apocalyptic number.
It is an amenable number.
20072193 is a deficient number, since it is larger than the sum of its proper divisors (6830175).
20072193 is a wasteful number, since it uses less digits than its factorization.
20072193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34863.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 20072193 is about 4480.2001071381. The cubic root of 20072193 is about 271.7679727228.
Adding to 20072193 its reverse (39127002), we get a palindrome (59199195).
The spelling of 20072193 in words is "twenty million, seventy-two thousand, one hundred ninety-three".
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