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12045928 = 2317233851
BaseRepresentation
bin101101111100…
…111001101000
3211122222220111
4231330321220
511040432203
61110104104
7204250216
oct55747150
924588814
1012045928
116888314
12404b034
132659b8b
141857cb6
1510ce26d
hexb7ce68

12045928 has 32 divisors (see below), whose sum is σ = 24960960. Its totient is φ = 5420800.

The previous prime is 12045907. The next prime is 12045937. The reversal of 12045928 is 82954021.

It is a self number, because there is not a number n which added to its sum of digits gives 12045928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (780030).

Almost surely, 212045928 is an apocalyptic number.

It is an amenable number.

12045928 is an abundant number, since it is smaller than the sum of its proper divisors (12915032).

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

12045928 is a wasteful number, since it uses less digits than its factorization.

12045928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12045928 is about 3470.7244200599. The cubic root of 12045928 is about 229.2345568701.

Adding to 12045928 its reverse (82954021), we get a palindrome (94999949).

The spelling of 12045928 in words is "twelve million, forty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 17 23 34 46 68 92 136 184 391 782 1564 3128 3851 7702 15404 30808 65467 88573 130934 177146 261868 354292 523736 708584 1505741 3011482 6022964 12045928