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82801968 = 24317247127
BaseRepresentation
bin1001110111101…
…11010100110000
312202210202221120
410323313110300
5132144130333
612114422240
72023543104
oct473672460
9182722846
1082801968
1142815387
1223891980
1314201862
14add5904
157408db3
hex4ef7530

82801968 has 120 divisors (see below), whose sum is σ = 233889792. Its totient is φ = 25224192.

The previous prime is 82801963. The next prime is 82801969. The reversal of 82801968 is 86910828.

It is not an unprimeable number, because it can be changed into a prime (82801963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651921 + ... + 652047.

Almost surely, 282801968 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 82801968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116944896).

82801968 is an abundant number, since it is smaller than the sum of its proper divisors (151087824).

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

82801968 is a wasteful number, since it uses less digits than its factorization.

82801968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 82801968 is about 9099.5586706169. The cubic root of 82801968 is about 435.8598713612.

The spelling of 82801968 in words is "eighty-two million, eight hundred one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 47 48 51 68 94 102 127 136 141 188 204 254 272 282 289 376 381 408 508 564 578 752 762 799 816 867 1016 1128 1156 1524 1598 1734 2032 2159 2256 2312 2397 3048 3196 3468 4318 4624 4794 5969 6096 6392 6477 6936 8636 9588 11938 12784 12954 13583 13872 17272 17907 19176 23876 25908 27166 34544 35814 36703 38352 40749 47752 51816 54332 71628 73406 81498 95504 101473 103632 108664 110109 143256 146812 162996 202946 217328 220218 286512 293624 304419 325992 405892 440436 587248 608838 651984 811784 880872 1217676 1623568 1725041 1761744 2435352 3450082 4870704 5175123 6900164 10350246 13800328 20700492 27600656 41400984 82801968