Search a number
-
+
2685573772 = 2272193143541
BaseRepresentation
bin1010000000010010…
…1001101010001100
320221011101021122021
42200010221222030
521000001330042
61122253055524
7123360000100
oct24004515214
96834337567
102685573772
111158a33362
1262b4875a4
1333a50530b
141b6959900
1510ab85867
hexa0129a8c

2685573772 has 144 divisors (see below), whose sum is σ = 6089825280. Its totient is φ = 1028764800.

The previous prime is 2685573763. The next prime is 2685573799. The reversal of 2685573772 is 2773755862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4963822 + ... + 4964362.

Almost surely, 22685573772 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 2685573772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044912640).

2685573772 is an abundant number, since it is smaller than the sum of its proper divisors (3404251508).

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

2685573772 is a wasteful number, since it uses less digits than its factorization.

2685573772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 643 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 52.

The square root of 2685573772 is about 51822.5218606737. The cubic root of 2685573772 is about 1389.9921970474.

The spelling of 2685573772 in words is "two billion, six hundred eighty-five million, five hundred seventy-three thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 19 28 31 38 43 49 62 76 86 98 124 133 172 196 217 266 301 434 532 541 589 602 817 868 931 1082 1178 1204 1333 1519 1634 1862 2107 2164 2356 2666 3038 3268 3724 3787 4123 4214 5332 5719 6076 7574 8246 8428 9331 10279 11438 15148 16492 16771 18662 20558 22876 23263 25327 26509 28861 33542 37324 40033 41116 46526 50654 53018 57722 65317 67084 71953 80066 93052 101308 106036 115444 117397 130634 143906 160132 162841 177289 234794 261268 287812 318649 325682 354578 441997 469588 503671 637298 651364 709156 721153 821779 883994 1007342 1139887 1241023 1274596 1442306 1643558 1767988 2014684 2230543 2279774 2482046 2884612 3093979 3287116 4461086 4559548 4964092 5048071 6187958 8922172 10096142 12375916 13701907 15613801 20192284 21657853 27403814 31227602 35336497 43315706 54807628 62455204 70672994 86631412 95913349 141345988 191826698 383653396 671393443 1342786886 2685573772