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12330288 = 243285627
BaseRepresentation
bin101111000010…
…010100110000
3212012102222100
4233002110300
511124032123
61120140400
7206543235
oct57022460
925172870
1012330288
116a61a23
124167700
132729439
1418cd78c
151138643
hexbc2530

12330288 has 30 divisors (see below), whose sum is σ = 34508084. Its totient is φ = 4110048.

The previous prime is 12330271. The next prime is 12330301. The reversal of 12330288 is 88203321.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42670 + ... + 42957.

Almost surely, 212330288 is an apocalyptic number.

12330288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12330288 is an abundant number, since it is smaller than the sum of its proper divisors (22177796).

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

12330288 is a wasteful number, since it uses less digits than its factorization.

12330288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85641 (or 85632 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12330288 is about 3511.4509821440. The cubic root of 12330288 is about 231.0243410568.

The spelling of 12330288 in words is "twelve million, three hundred thirty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 85627 171254 256881 342508 513762 685016 770643 1027524 1370032 1541286 2055048 3082572 4110096 6165144 12330288