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12384288 = 253276143
BaseRepresentation
bin101111001111…
…100000100000
3212022012001100
4233033200200
511132244123
61121234400
7210156540
oct57174040
925265040
1012384288
116a99554
124192a00
132747ba7
141905320
151149643
hexbcf820

12384288 has 72 divisors (see below), whose sum is σ = 40255488. Its totient is φ = 3537792.

The previous prime is 12384269. The next prime is 12384289. The reversal of 12384288 is 88248321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12384289) 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, 1056 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (559104).

Almost surely, 212384288 is an apocalyptic number.

12384288 is a gapful number since it is divisible by the number (18) 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 12384288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20127744).

12384288 is an abundant number, since it is smaller than the sum of its proper divisors (27871200).

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

12384288 is a wasteful number, since it uses less digits than its factorization.

12384288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166 (or 6155 counting only the distinct ones).

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

The square root of 12384288 is about 3519.1317110901. The cubic root of 12384288 is about 231.3611038554.

The spelling of 12384288 in words is "twelve million, three hundred eighty-four thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 6143 12286 18429 24572 36858 43001 49144 55287 73716 86002 98288 110574 129003 147432 172004 196576 221148 258006 294864 344008 387009 442296 516012 589728 688016 774018 884592 1032024 1376032 1548036 1769184 2064048 3096072 4128096 6192144 12384288