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2005042452 = 223723869553
BaseRepresentation
bin111011110000010…
…1000010100010100
312011201211201011120
41313200220110110
513101242324302
6530543003540
7100454402550
oct16740502424
95151751146
102005042452
11939881086
1247b5995b0
1325c52156a
1415040c860
15bb05b9bc
hex77828514

2005042452 has 24 divisors (see below), whose sum is σ = 5346780096. Its totient is φ = 572869248.

The previous prime is 2005042451. The next prime is 2005042499. The reversal of 2005042452 is 2542405002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005042451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11934693 + ... + 11934860.

It is an arithmetic number, because the mean of its divisors is an integer number (222782504).

Almost surely, 22005042452 is an apocalyptic number.

It is an amenable number.

2005042452 is an abundant number, since it is smaller than the sum of its proper divisors (3341737644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005042452 is a wasteful number, since it uses less digits than its factorization.

2005042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23869567 (or 23869565 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2005042452 is about 44777.7003875813. The cubic root of 2005042452 is about 1260.9790098433.

Adding to 2005042452 its reverse (2542405002), we get a palindrome (4547447454).

The spelling of 2005042452 in words is "two billion, five million, forty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 23869553 47739106 71608659 95478212 143217318 167086871 286434636 334173742 501260613 668347484 1002521226 2005042452