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82260288 = 26321112983
BaseRepresentation
bin1001110011100…
…11000101000000
312201210020220100
410321303011000
5132024312123
612055042400
72016125625
oct471630500
9181706810
1082260288
1142485410
1223670400
1314072136
14acd434c
15734d643
hex4e73140

82260288 has 84 divisors (see below), whose sum is σ = 257239008. Its totient is φ = 24925440.

The previous prime is 82260281. The next prime is 82260317. The reversal of 82260288 is 88206228.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82260281) 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 11 ways as a sum of consecutive naturals, for example, 156 + ... + 12827.

Almost surely, 282260288 is an apocalyptic number.

82260288 is a gapful number since it is divisible by the number (88) 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 82260288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128619504).

82260288 is an abundant number, since it is smaller than the sum of its proper divisors (174978720).

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

82260288 is a wasteful number, since it uses less digits than its factorization.

82260288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012 (or 12999 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 82260288 is about 9069.7457516735. The cubic root of 82260288 is about 434.9073445146.

The spelling of 82260288 in words is "eighty-two million, two hundred sixty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 132 144 176 192 198 264 288 352 396 528 576 704 792 1056 1584 2112 3168 6336 12983 25966 38949 51932 77898 103864 116847 142813 155796 207728 233694 285626 311592 415456 428439 467388 571252 623184 830912 856878 934776 1142504 1246368 1285317 1713756 1869552 2285008 2492736 2570634 3427512 3739104 4570016 5141268 6855024 7478208 9140032 10282536 13710048 20565072 27420096 41130144 82260288