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82480464 = 243311171021
BaseRepresentation
bin1001110101010…
…00110101010000
312202012102221000
410322220311100
5132103333324
612103502000
72021033553
oct472506520
9182172830
1082480464
1142615880
1223757900
131411b411
14ad5069a
1573939c9
hex4ea8d50

82480464 has 160 divisors (see below), whose sum is σ = 273732480. Its totient is φ = 23500800.

The previous prime is 82480457. The next prime is 82480499. The reversal of 82480464 is 46408428.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80274 + ... + 81294.

It is an arithmetic number, because the mean of its divisors is an integer number (1710828).

Almost surely, 282480464 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 82480464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136866240).

82480464 is an abundant number, since it is smaller than the sum of its proper divisors (191252016).

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

82480464 is a wasteful number, since it uses less digits than its factorization.

82480464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 82480464 is about 9081.8755772142. The cubic root of 82480464 is about 435.2950198466.

Subtracting from 82480464 its reverse (46408428), we obtain a square (36072036 = 60062).

It can be divided in two parts, 82480 and 464, that added together give a square (82944 = 2882).

The spelling of 82480464 in words is "eighty-two million, four hundred eighty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 33 34 36 44 48 51 54 66 68 72 88 99 102 108 132 136 144 153 176 187 198 204 216 264 272 297 306 374 396 408 432 459 528 561 594 612 748 792 816 918 1021 1122 1188 1224 1496 1584 1683 1836 2042 2244 2376 2448 2992 3063 3366 3672 4084 4488 4752 5049 6126 6732 7344 8168 8976 9189 10098 11231 12252 13464 16336 17357 18378 20196 22462 24504 26928 27567 33693 34714 36756 40392 44924 49008 52071 55134 67386 69428 73512 80784 89848 101079 104142 110268 134772 138856 147024 156213 179696 190927 202158 208284 220536 269544 277712 303237 312426 381854 404316 416568 441072 468639 539088 572781 606474 624852 763708 808632 833136 937278 1145562 1212948 1249704 1527416 1617264 1718343 1874556 2291124 2425896 2499408 3054832 3436686 3749112 4582248 4851792 5155029 6873372 7498224 9164496 10310058 13746744 20620116 27493488 41240232 82480464