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1984593072 = 2437111393863
BaseRepresentation
bin111011001001010…
…0111110010110000
312010022100202220010
41312102213302300
513031023434242
6524532414520
7100115522430
oct16622476260
95108322803
101984593072
11929284170
12474777440
13258211737
1414b8082c0
15b936c89c
hex764a7cb0

1984593072 has 160 divisors (see below), whose sum is σ = 6439587840. Its totient is φ = 511637760.

The previous prime is 1984593071. The next prime is 1984593077. The reversal of 1984593072 is 2703954891.

1984593072 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×19845930722 = 7877219322860794368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1984593071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511813 + ... + 515675.

It is an arithmetic number, because the mean of its divisors is an integer number (40247424).

Almost surely, 21984593072 is an apocalyptic number.

1984593072 is a gapful number since it is divisible by the number (12) 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 1984593072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3219793920).

1984593072 is an abundant number, since it is smaller than the sum of its proper divisors (4454994768).

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

1984593072 is a wasteful number, since it uses less digits than its factorization.

1984593072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4025 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1984593072 is about 44548.7718349227. The cubic root of 1984593072 is about 1256.6774544577.

The spelling of 1984593072 in words is "one billion, nine hundred eighty-four million, five hundred ninety-three thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 139 154 168 176 231 264 278 308 336 417 462 528 556 616 834 924 973 1112 1232 1529 1668 1848 1946 2224 2919 3058 3336 3696 3863 3892 4587 5838 6116 6672 7726 7784 9174 10703 11589 11676 12232 15452 15568 18348 21406 23178 23352 24464 27041 30904 32109 36696 42493 42812 46356 46704 54082 61808 64218 73392 81123 84986 85624 92712 108164 127479 128436 162246 169972 171248 185424 216328 254958 256872 297451 324492 339944 432656 509916 513744 536957 594902 648984 679888 892353 1019832 1073914 1189804 1297968 1610871 1784706 2039664 2147828 2379608 3221742 3569412 3758699 4295656 4759216 5906527 6443484 7138824 7517398 8591312 11276097 11813054 12886968 14277648 15034796 17719581 22552194 23626108 25773936 30069592 35439162 41345689 45104388 47252216 60139184 70878324 82691378 90208776 94504432 124037067 141756648 165382756 180417552 248074134 283513296 330765512 496148268 661531024 992296536 1984593072