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12288838 = 219933083
BaseRepresentation
bin101110111000…
…001101000110
3212010100010011
4232320031012
511121220323
61115220434
7206311342
oct56701506
925110104
1012288838
116a33871
12414771a
132713603
1418bc622
15112b20d
hexbb8346

12288838 has 8 divisors (see below), whose sum is σ = 18448488. Its totient is φ = 6139344.

The previous prime is 12288823. The next prime is 12288869. The reversal of 12288838 is 83888221.

12288838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12288838.

It is a congruent number.

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, 2445 + ... + 5527.

It is an arithmetic number, because the mean of its divisors is an integer number (2306061).

Almost surely, 212288838 is an apocalyptic number.

12288838 is a deficient number, since it is larger than the sum of its proper divisors (6159650).

12288838 is a wasteful number, since it uses less digits than its factorization.

12288838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078.

The product of its digits is 49152, while the sum is 40.

The square root of 12288838 is about 3505.5438950326. The cubic root of 12288838 is about 230.7651768120.

The spelling of 12288838 in words is "twelve million, two hundred eighty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 1993 3083 3986 6166 6144419 12288838