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82885344 = 253892109
BaseRepresentation
bin1001111000010…
…11101011100000
312202222000022120
410330023223200
5132204312334
612120304240
72024341143
oct474135340
9182860276
1082885344
1142871a93
1223912080
13142307a9
14b01805a
157423949
hex4f0bae0

82885344 has 72 divisors (see below), whose sum is σ = 222064920. Its totient is φ = 27067392.

The previous prime is 82885343. The next prime is 82885367. The reversal of 82885344 is 44358828.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82885296 and 82885305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82885343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760362 + ... + 760470.

It is an arithmetic number, because the mean of its divisors is an integer number (3084235).

Almost surely, 282885344 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 82885344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111032460).

82885344 is an abundant number, since it is smaller than the sum of its proper divisors (139179576).

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

82885344 is a wasteful number, since it uses less digits than its factorization.

82885344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 203 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 82885344 is about 9104.1388390116. The cubic root of 82885344 is about 436.0061161222.

The spelling of 82885344 in words is "eighty-two million, eight hundred eighty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 89 96 109 178 218 267 327 356 436 534 654 712 872 1068 1308 1424 1744 2136 2616 2848 3488 4272 5232 7921 8544 9701 10464 15842 19402 23763 29103 31684 38804 47526 58206 63368 77608 95052 116412 126736 155216 190104 232824 253472 310432 380208 465648 760416 863389 931296 1726778 2590167 3453556 5180334 6907112 10360668 13814224 20721336 27628448 41442672 82885344