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2005020416 = 2872159839
BaseRepresentation
bin111011110000010…
…0010111100000000
312011201210120221102
41313200202330000
513101241123131
6530542313532
7100454251400
oct16740427400
95151716842
102005020416
11939866573
1247b5888a8
1325c514519
14150404800
15bb0551cb
hex77822f00

2005020416 has 54 divisors (see below), whose sum is σ = 4655659680. Its totient is φ = 859289088.

The previous prime is 2005020397. The next prime is 2005020419. The reversal of 2005020416 is 6140205002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005020419) 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 5 ways as a sum of consecutive naturals, for example, 67376 + ... + 92463.

It is an arithmetic number, because the mean of its divisors is an integer number (86215920).

Almost surely, 22005020416 is an apocalyptic number.

It is an amenable number.

2005020416 is an abundant number, since it is smaller than the sum of its proper divisors (2650639264).

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

2005020416 is an equidigital number, since it uses as much as digits as its factorization.

2005020416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159869 (or 159848 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2005020416 is about 44777.4543269266. The cubic root of 2005020416 is about 1260.9743903177.

Adding to 2005020416 its reverse (6140205002), we get a palindrome (8145225418).

The spelling of 2005020416 in words is "two billion, five million, twenty thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 6272 12544 159839 319678 639356 1118873 1278712 2237746 2557424 4475492 5114848 7832111 8950984 10229696 15664222 17901968 20459392 31328444 35803936 40918784 62656888 71607872 125313776 143215744 250627552 286431488 501255104 1002510208 2005020416