Base | Representation |
---|---|
bin | 100010011100… |
… | …1001100010000 |
3 | 1020222112201200 |
4 | 1010321030100 |
5 | 14110410143 |
6 | 1443031200 |
7 | 306336126 |
oct | 104711420 |
9 | 36875650 |
10 | 18060048 |
11 | a215866 |
12 | 606b500 |
13 | 3984426 |
14 | 2581916 |
15 | 18bb1d3 |
hex | 1139310 |
18060048 has 60 divisors (see below), whose sum is σ = 50913408. Its totient is φ = 5976000.
The previous prime is 18060047. The next prime is 18060059. The reversal of 18060048 is 84006081.
18060048 is a `hidden beast` number, since 18 + 0 + 600 + 48 = 666.
It is not an unprimeable number, because it can be changed into a prime (18060047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23673 + ... + 24423.
Almost surely, 218060048 is an apocalyptic number.
18060048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18060048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25456704).
18060048 is an abundant number, since it is smaller than the sum of its proper divisors (32853360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18060048 is a wasteful number, since it uses less digits than its factorization.
18060048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932 (or 923 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 18060048 is about 4249.7115196211. The cubic root of 18060048 is about 262.3652423970.
The spelling of 18060048 in words is "eighteen million, sixty thousand, forty-eight".
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