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2005254533 = 17268310159
BaseRepresentation
bin111011110000101…
…1100000110000101
312011202020111002102
41313201130012011
513101321121113
6530551321445
7100456245062
oct16741340605
95152214072
102005254533
11939a06457
1247b680285
1325c596c59
14150465c69
15bb09e758
hex7785c185

2005254533 has 12 divisors (see below), whose sum is σ = 2133478080. Its totient is φ = 1884349632.

The previous prime is 2005254521. The next prime is 2005254539. The reversal of 2005254533 is 3354525002.

It is not a de Polignac number, because 2005254533 - 26 = 2005254469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005254496 and 2005254505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005254539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192308 + ... + 202466.

It is an arithmetic number, because the mean of its divisors is an integer number (177789840).

Almost surely, 22005254533 is an apocalyptic number.

It is an amenable number.

2005254533 is a deficient number, since it is larger than the sum of its proper divisors (128223547).

2005254533 is a wasteful number, since it uses less digits than its factorization.

2005254533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876 (or 10859 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 2005254533 is about 44780.0684791794. The cubic root of 2005254533 is about 1261.0234677983.

Adding to 2005254533 its reverse (3354525002), we get a palindrome (5359779535).

The spelling of 2005254533 in words is "two billion, five million, two hundred fifty-four thousand, five hundred thirty-three".

Divisors: 1 17 289 683 10159 11611 172703 197387 2935951 6938597 117956149 2005254533