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20072193 = 319334667
BaseRepresentation
bin100110010010…
…0011100000001
31101202202212120
41030210130001
520114302233
61554114453
7332416341
oct114443401
941682776
1020072193
111036a599
12687ba29
13420a24b
142946d21
151b674b3
hex1324701

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".

Divisors: 1 3 193 579 34667 104001 6690731 20072193