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2740244892 = 22371121715859
BaseRepresentation
bin1010001101010100…
…1101000110011100
321001222020212022120
42203111031012130
521103000314032
61131524542540
7124622461110
oct24325150634
97058225276
102740244892
111186884600
12645851a50
133489378a8
141bdd0b740
1511088462c
hexa354d19c

2740244892 has 144 divisors (see below), whose sum is σ = 8505020160. Its totient is φ = 669841920.

The previous prime is 2740244879. The next prime is 2740244921. The reversal of 2740244892 is 2984420472.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164859 + ... + 180717.

It is an arithmetic number, because the mean of its divisors is an integer number (59062640).

Almost surely, 22740244892 is an apocalyptic number.

2740244892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740244892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4252510080).

2740244892 is an abundant number, since it is smaller than the sum of its proper divisors (5764775268).

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

2740244892 is a wasteful number, since it uses less digits than its factorization.

2740244892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15912 (or 15899 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 2740244892 is about 52347.3484715320. The cubic root of 2740244892 is about 1399.3610846542.

The spelling of 2740244892 in words is "two billion, seven hundred forty million, two hundred forty-four thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 17 21 22 28 33 34 42 44 51 66 68 77 84 102 119 121 132 154 187 204 231 238 242 308 357 363 374 462 476 484 561 714 726 748 847 924 1122 1309 1428 1452 1694 2057 2244 2541 2618 3388 3927 4114 5082 5236 6171 7854 8228 10164 12342 14399 15708 15859 24684 28798 31718 43197 47577 57596 63436 86394 95154 111013 172788 174449 190308 222026 269603 333039 348898 444052 523347 539206 666078 697796 808809 1046694 1078412 1221143 1332156 1617618 1887221 1918939 2093388 2442286 2965633 3235236 3663429 3774442 3837878 4884572 5661663 5756817 5931266 7326858 7548884 7675756 8896899 11323326 11513634 11862532 13432573 14653716 17793798 20759431 22646652 23027268 26865146 32621963 35587596 40297719 41518862 53730292 62278293 65243926 80595438 83037724 97865889 124556586 130487852 161190876 195731778 228353741 249113172 391463556 456707482 685061223 913414964 1370122446 2740244892