Base | Representation |
---|---|
bin | 100010010111… |
… | …0000101000000 |
3 | 1020220020021202 |
4 | 1010232011000 |
5 | 14102431103 |
6 | 1442040332 |
7 | 306056330 |
oct | 104560500 |
9 | 36806252 |
10 | 18014528 |
11 | a194644 |
12 | 60490a8 |
13 | 39697ac |
14 | 256d0c0 |
15 | 18ac988 |
hex | 112e140 |
18014528 has 56 divisors (see below), whose sum is σ = 41452800. Its totient is φ = 7607808.
The previous prime is 18014501. The next prime is 18014533. The reversal of 18014528 is 82541081.
It is a tau number, because it is divible by the number of its divisors (56).
It is a self number, because there is not a number n which added to its sum of digits gives 18014528.
It is a congruent number.
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, 35138 + ... + 35646.
Almost surely, 218014528 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 18014528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20726400).
18014528 is an abundant number, since it is smaller than the sum of its proper divisors (23438272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18014528 is an equidigital number, since it uses as much as digits as its factorization.
18014528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 607 (or 597 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 29.
The square root of 18014528 is about 4244.3524830061. The cubic root of 18014528 is about 262.1446281102.
The spelling of 18014528 in words is "eighteen million, fourteen thousand, five hundred twenty-eight".
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