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12033108 = 22321572129
BaseRepresentation
bin101101111001…
…110001010100
3211122100022200
4231321301110
511040024413
61105524500
7204164643
oct55716124
924570280
1012033108
11687971a
124043730
1326540a9
14185335a
1510ca573
hexb79c54

12033108 has 36 divisors (see below), whose sum is σ = 30625140. Its totient is φ = 3983616.

The previous prime is 12033107. The next prime is 12033167. The reversal of 12033108 is 80133021.

It can be written as a sum of positive squares in 2 ways, for example, as 3283344 + 8749764 = 1812^2 + 2958^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033107) 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 11 ways as a sum of consecutive naturals, for example, 4588 + ... + 6716.

Almost surely, 212033108 is an apocalyptic number.

12033108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12033108 is an abundant number, since it is smaller than the sum of its proper divisors (18592032).

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

12033108 is a wasteful number, since it uses less digits than its factorization.

12033108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12033108 is about 3468.8770517273. The cubic root of 12033108 is about 229.1532062764.

Adding to 12033108 its reverse (80133021), we get a palindrome (92166129).

The spelling of 12033108 in words is "twelve million, thirty-three thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 157 314 471 628 942 1413 1884 2129 2826 4258 5652 6387 8516 12774 19161 25548 38322 76644 334253 668506 1002759 1337012 2005518 3008277 4011036 6016554 12033108