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20000593 = 238310477
BaseRepresentation
bin100110001001…
…0111101010001
31101122010122201
41030102331101
520110004333
61552403201
7332000524
oct114227521
941563581
1020000593
1110320818
126846501
1341b3792
142928bbb
151b5117d
hex1312f51

20000593 has 8 divisors (see below), whose sum is σ = 21123648. Its totient is φ = 18898704.

The previous prime is 20000573. The next prime is 20000599. The reversal of 20000593 is 39500002.

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 20000593 - 29 = 20000081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000593.

It is not an unprimeable number, because it can be changed into a prime (20000599) 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, 3330 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (2640456).

Almost surely, 220000593 is an apocalyptic number.

20000593 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20000593 is a deficient number, since it is larger than the sum of its proper divisors (1123055).

20000593 is a wasteful number, since it uses less digits than its factorization.

20000593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 20000593 is about 4472.2022539237. The cubic root of 20000593 is about 271.4444443824. Note that the first 6 decimals are identical.

Adding to 20000593 its reverse (39500002), we get a palindrome (59500595).

The spelling of 20000593 in words is "twenty million, five hundred ninety-three", and thus it is an aban number.

Divisors: 1 23 83 1909 10477 240971 869591 20000593