Base | Representation |
---|---|
bin | 100010100000… |
… | …0000010010100 |
3 | 1021000222012001 |
4 | 1011000002110 |
5 | 14112304314 |
6 | 1443405044 |
7 | 306513640 |
oct | 105000224 |
9 | 37028161 |
10 | 18088084 |
11 | a234933 |
12 | 6083784 |
13 | 3994111 |
14 | 258bc20 |
15 | 18c4674 |
hex | 1140094 |
18088084 has 12 divisors (see below), whose sum is σ = 36176224. Its totient is φ = 7752024.
The previous prime is 18088067. The next prime is 18088099. The reversal of 18088084 is 48088081.
18088084 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322974 + ... + 323029.
Almost surely, 218088084 is an apocalyptic number.
18088084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18088084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18088084 is a wasteful number, since it uses less digits than its factorization.
18088084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646014 (or 646012 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 37.
The square root of 18088084 is about 4253.0088172963. The cubic root of 18088084 is about 262.5009354464.
The spelling of 18088084 in words is "eighteen million, eighty-eight thousand, eighty-four".
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