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12288386 = 211558563
BaseRepresentation
bin101110111000…
…000110000010
3212010022111102
4232320012002
511121212021
61115214402
7206310125
oct56700602
925108442
1012288386
116a334a0
124147402
132713346
1418bc3bc
15112b00b
hexbb8182

12288386 has 8 divisors (see below), whose sum is σ = 20108304. Its totient is φ = 5585620.

The previous prime is 12288379. The next prime is 12288391. The reversal of 12288386 is 68388221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279260 + ... + 279303.

It is an arithmetic number, because the mean of its divisors is an integer number (2513538).

Almost surely, 212288386 is an apocalyptic number.

12288386 is a deficient number, since it is larger than the sum of its proper divisors (7819918).

12288386 is a wasteful number, since it uses less digits than its factorization.

12288386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558576.

The product of its digits is 36864, while the sum is 38.

The square root of 12288386 is about 3505.4794251286. The cubic root of 12288386 is about 230.7623474927.

The spelling of 12288386 in words is "twelve million, two hundred eighty-eight thousand, three hundred eighty-six".

Divisors: 1 2 11 22 558563 1117126 6144193 12288386