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489505984 = 2611263211
BaseRepresentation
bin11101001011010…
…100010011000000
31021010002110222021
4131023110103000
52000303142414
6120323451224
715062506102
oct3513242300
91233073867
10489505984
1123134a100
12117b26b14
137a54c716
1449023572
152ce93c24
hex1d2d44c0

489505984 has 42 divisors (see below), whose sum is σ = 1067713892. Its totient is φ = 222499200.

The previous prime is 489505957. The next prime is 489505999.

489505984 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4895059842 = 479232216743616512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23862 + ... + 39349.

Almost surely, 2489505984 is an apocalyptic number.

489505984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

489505984 is an abundant number, since it is smaller than the sum of its proper divisors (578207908).

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

489505984 is a wasteful number, since it uses less digits than its factorization.

489505984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63245 (or 63224 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 489505984 is about 22124.7821232210. The cubic root of 489505984 is about 788.1084822347.

The spelling of 489505984 in words is "four hundred eighty-nine million, five hundred five thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 176 242 352 484 704 968 1936 3872 7744 63211 126422 252844 505688 695321 1011376 1390642 2022752 2781284 4045504 5562568 7648531 11125136 15297062 22250272 30594124 44500544 61188248 122376496 244752992 489505984