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12045008 = 242371461
BaseRepresentation
bin101101111100…
…101011010000
3211122221122102
4231330223100
511040420013
61110055532
7204244433
oct55745320
924587572
1012045008
116887658
12404a5a8
132659631
14185781a
1510cdd58
hexb7cad0

12045008 has 40 divisors (see below), whose sum is σ = 24748416. Its totient is φ = 5667200.

The previous prime is 12045001. The next prime is 12045023. The reversal of 12045008 is 80054021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045001) 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 7 ways as a sum of consecutive naturals, for example, 25898 + ... + 26358.

Almost surely, 212045008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12045008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12374208).

12045008 is an abundant number, since it is smaller than the sum of its proper divisors (12703408).

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

12045008 is a wasteful number, since it uses less digits than its factorization.

12045008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12045008 is about 3470.5918803570. The cubic root of 12045008 is about 229.2287208409.

Adding to 12045008 its reverse (80054021), we get a palindrome (92099029).

The spelling of 12045008 in words is "twelve million, forty-five thousand, eight".

Divisors: 1 2 4 8 16 23 46 71 92 142 184 284 368 461 568 922 1136 1633 1844 3266 3688 6532 7376 10603 13064 21206 26128 32731 42412 65462 84824 130924 169648 261848 523696 752813 1505626 3011252 6022504 12045008