| Base | Representation |
|---|---|
| bin | 100010011100… |
| … | …1000001000000 |
| 3 | 1020222111202000 |
| 4 | 1010321001000 |
| 5 | 14110344303 |
| 6 | 1443024000 |
| 7 | 306334050 |
| oct | 104710100 |
| 9 | 36874660 |
| 10 | 18059328 |
| 11 | a215271 |
| 12 | 606b000 |
| 13 | 3983cc1 |
| 14 | 2581560 |
| 15 | 18bada3 |
| hex | 1139040 |
18059328 has 112 divisors (see below), whose sum is σ = 60716160. Its totient is φ = 5156352.
The previous prime is 18059317. The next prime is 18059339. The reversal of 18059328 is 82395081.
It is an interprime number because it is at equal distance from previous prime (18059317) and next prime (18059339).
It is a tau number, because it is divible by the number of its divisors (112).
It is a super-2 number, since 2×180593282 = 652278655623168, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 18059292 and 18059301.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11350 + ... + 12842.
Almost surely, 218059328 is an apocalyptic number.
18059328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
18059328 is the 2688-th heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18059328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30358080).
18059328 is an abundant number, since it is smaller than the sum of its proper divisors (42656832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18059328 is a wasteful number, since it uses less digits than its factorization.
18059328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1521 (or 1505 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 18059328 is about 4249.6268071444. The cubic root of 18059328 is about 262.3617557786.
The spelling of 18059328 in words is "eighteen million, fifty-nine thousand, three hundred twenty-eight".
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