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2885589690 = 2351728319993
BaseRepresentation
bin1010101111111110…
…1001101010111010
321110002202010220020
42223333221222322
521402202332230
61154200111310
7131336051634
oct25377515272
97402663806
102885589690
111250927275
12686465536
1336ca96929
141d5343a54
1511d4e4810
hexabfe9aba

2885589690 has 64 divisors (see below), whose sum is σ = 7359071616. Its totient is φ = 721631232.

The previous prime is 2885589667. The next prime is 2885589719. The reversal of 2885589690 is 969855882.

It is a super-2 number, since 2×28855896902 = 16653255718068592200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134334 + ... + 154326.

It is an arithmetic number, because the mean of its divisors is an integer number (114985494).

Almost surely, 22885589690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2885589690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679535808).

2885589690 is an abundant number, since it is smaller than the sum of its proper divisors (4473481926).

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

2885589690 is a wasteful number, since it uses less digits than its factorization.

2885589690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The square root of 2885589690 is about 53717.6850767045. The cubic root of 2885589690 is about 1423.6771867069.

The spelling of 2885589690 in words is "two billion, eight hundred eighty-five million, five hundred eighty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 283 510 566 849 1415 1698 2830 4245 4811 8490 9622 14433 19993 24055 28866 39986 48110 59979 72165 99965 119958 144330 199930 299895 339881 599790 679762 1019643 1699405 2039286 3398810 5098215 5658019 10196430 11316038 16974057 28290095 33948114 56580190 84870285 96186323 169740570 192372646 288558969 480931615 577117938 961863230 1442794845 2885589690