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2004611916 = 2231738925261
BaseRepresentation
bin111011101111011…
…1111001101001100
312011201000211120210
41313132333031030
513101140040131
6530525442420
7100450630416
oct16736771514
95151024523
102004611916
1193960766a
1247b410410
1325c4005c8
141503399b6
15baec4146
hex777bf34c

2004611916 has 48 divisors (see below), whose sum is σ = 4965498720. Its totient is φ = 627256320.

The previous prime is 2004611867. The next prime is 2004611923. The reversal of 2004611916 is 6191164002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66726 + ... + 91986.

It is an arithmetic number, because the mean of its divisors is an integer number (103447890).

Almost surely, 22004611916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004611916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482749360).

2004611916 is an abundant number, since it is smaller than the sum of its proper divisors (2960886804).

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

2004611916 is a wasteful number, since it uses less digits than its factorization.

2004611916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25674 (or 25672 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2004611916 is about 44772.8926472257. The cubic root of 2004611916 is about 1260.8887481266. Note that the first 3 decimals are identical.

Adding to 2004611916 its reverse (6191164002), we get a palindrome (8195775918).

The spelling of 2004611916 in words is "two billion, four million, six hundred eleven thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 389 778 1167 1556 2334 4668 6613 13226 19839 25261 26452 39678 50522 75783 79356 101044 151566 303132 429437 858874 1288311 1717748 2576622 5153244 9826529 19653058 29479587 39306116 58959174 117918348 167050993 334101986 501152979 668203972 1002305958 2004611916