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82646304 = 25313471409
BaseRepresentation
bin1001110110100…
…01010100100000
312202111212102020
410323101110200
5132124140204
612111221440
72022324216
oct473212440
9182455366
1082646304
1142719434
1223817880
1314178a50
14ad94cb6
1573c7bd9
hex4ed1520

82646304 has 96 divisors (see below), whose sum is σ = 238775040. Its totient is φ = 24870912.

The previous prime is 82646303. The next prime is 82646321. The reversal of 82646304 is 40364628.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (82646303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57952 + ... + 59360.

It is an arithmetic number, because the mean of its divisors is an integer number (2487240).

Almost surely, 282646304 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 82646304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119387520).

82646304 is an abundant number, since it is smaller than the sum of its proper divisors (156128736).

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

82646304 is a wasteful number, since it uses less digits than its factorization.

82646304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 82646304 is about 9091.0012649873. The cubic root of 82646304 is about 435.5865676624.

The spelling of 82646304 in words is "eighty-two million, six hundred forty-six thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 47 48 52 78 94 96 104 141 156 188 208 282 312 376 416 564 611 624 752 1128 1222 1248 1409 1504 1833 2256 2444 2818 3666 4227 4512 4888 5636 7332 8454 9776 11272 14664 16908 18317 19552 22544 29328 33816 36634 45088 54951 58656 66223 67632 73268 109902 132446 135264 146536 198669 219804 264892 293072 397338 439608 529784 586144 794676 860899 879216 1059568 1589352 1721798 1758432 2119136 2582697 3178704 3443596 5165394 6357408 6887192 10330788 13774384 20661576 27548768 41323152 82646304