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18009060 = 2235300151
BaseRepresentation
bin100010010110…
…0101111100100
31020212221210020
41010230233210
514102242220
61441555140
7306034356
oct104545744
936787706
1018009060
11a190523
126045ab0
133967164
14256b0d6
1518ab040
hex112cbe4

18009060 has 24 divisors (see below), whose sum is σ = 50425536. Its totient is φ = 4802400.

The previous prime is 18009059. The next prime is 18009073. The reversal of 18009060 is 6090081.

It is a self number, because there is not a number n which added to its sum of digits gives 18009060.

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, 150016 + ... + 150135.

It is an arithmetic number, because the mean of its divisors is an integer number (2101064).

Almost surely, 218009060 is an apocalyptic number.

18009060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18009060 is an abundant number, since it is smaller than the sum of its proper divisors (32416476).

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

18009060 is a wasteful number, since it uses less digits than its factorization.

18009060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300163 (or 300161 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 18009060 is about 4243.7082840365. The cubic root of 18009060 is about 262.1181022625.

The spelling of 18009060 in words is "eighteen million, nine thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 300151 600302 900453 1200604 1500755 1800906 3001510 3601812 4502265 6003020 9004530 18009060