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2005884593 = 14629137117
BaseRepresentation
bin111011110001111…
…0101111010110001
312011210102111100222
41313203311322301
513102001301333
6531013022425
7100464511016
oct16743657261
95153374328
102005884593
1193a2a6869
1247b924a15
1325c75797b
1415058b70d
15bb176298
hex778f5eb1

2005884593 has 4 divisors (see below), whose sum is σ = 2006036340. Its totient is φ = 2005732848.

The previous prime is 2005884493. The next prime is 2005884607. The reversal of 2005884593 is 3954885002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3954885002 = 21977442501.

It can be written as a sum of positive squares in 2 ways, for example, as 527712784 + 1478171809 = 22972^2 + 38447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005884593 - 210 = 2005883569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005884193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53930 + ... + 83187.

It is an arithmetic number, because the mean of its divisors is an integer number (501509085).

Almost surely, 22005884593 is an apocalyptic number.

It is an amenable number.

2005884593 is a deficient number, since it is larger than the sum of its proper divisors (151747).

2005884593 is a wasteful number, since it uses less digits than its factorization.

2005884593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151746.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2005884593 is about 44787.1029761917. The cubic root of 2005884593 is about 1261.1555270512.

The spelling of 2005884593 in words is "two billion, five million, eight hundred eighty-four thousand, five hundred ninety-three".

Divisors: 1 14629 137117 2005884593