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20130593 = 75994801
BaseRepresentation
bin100110011001…
…0101100100001
31101212201222112
41030302230201
520123134333
61555245105
7333051530
oct114625441
941781875
1020130593
11103aa45a
1268a9795
13422a9c2
142960317
151b79948
hex1332b21

20130593 has 8 divisors (see below), whose sum is σ = 23049600. Its totient is φ = 17222400.

The previous prime is 20130581. The next prime is 20130599. The reversal of 20130593 is 39503102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20130593 - 24 = 20130577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20130599) 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 7 ways as a sum of consecutive naturals, for example, 1793 + ... + 6593.

It is an arithmetic number, because the mean of its divisors is an integer number (2881200).

Almost surely, 220130593 is an apocalyptic number.

It is an amenable number.

20130593 is a deficient number, since it is larger than the sum of its proper divisors (2919007).

20130593 is an equidigital number, since it uses as much as digits as its factorization.

20130593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 20130593 is about 4486.7129393354. The cubic root of 20130593 is about 272.0312869504.

Adding to 20130593 its reverse (39503102), we get a palindrome (59633695).

The spelling of 20130593 in words is "twenty million, one hundred thirty thousand, five hundred ninety-three".

Divisors: 1 7 599 4193 4801 33607 2875799 20130593