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12162268 = 2225711831
BaseRepresentation
bin101110011001…
…010011011100
3211212220111101
4232121103130
511103143033
61112402444
7205243336
oct56312334
924786441
1012162268
116957768
1240a6424
13269ab11
141888456
15110397d
hexb994dc

12162268 has 12 divisors (see below), whose sum is σ = 21368592. Its totient is φ = 6056960.

The previous prime is 12162263. The next prime is 12162317. The reversal of 12162268 is 86226121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4888 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (1780716).

Almost surely, 212162268 is an apocalyptic number.

It is an amenable number.

12162268 is a deficient number, since it is larger than the sum of its proper divisors (9206324).

12162268 is a wasteful number, since it uses less digits than its factorization.

12162268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092 (or 12090 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 12162268 is about 3487.4443364733. Note that the first 3 decimals coincide. The cubic root of 12162268 is about 229.9701788684.

Adding to 12162268 its reverse (86226121), we get a palindrome (98388389).

The spelling of 12162268 in words is "twelve million, one hundred sixty-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 257 514 1028 11831 23662 47324 3040567 6081134 12162268