Base | Representation |
---|---|
bin | 100010110111… |
… | …1101000011000 |
3 | 1021101212121100 |
4 | 1011233220120 |
5 | 14140024112 |
6 | 1451511400 |
7 | 311255205 |
oct | 105575030 |
9 | 37355540 |
10 | 18283032 |
11 | a358349 |
12 | 6158560 |
13 | 3a31a81 |
14 | 25dccac |
15 | 19122dc |
hex | 116fa18 |
18283032 has 48 divisors (see below), whose sum is σ = 50862240. Its totient is φ = 5928768.
The previous prime is 18283019. The next prime is 18283043. The reversal of 18283032 is 23038281.
It is a super-2 number, since 2×182830322 = 668538518226048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18282987 and 18283005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768 + ... + 6095.
It is an arithmetic number, because the mean of its divisors is an integer number (1059630).
Almost surely, 218283032 is an apocalyptic number.
18283032 is a gapful number since it is divisible by the number (12) 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 18283032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25431120).
18283032 is an abundant number, since it is smaller than the sum of its proper divisors (32579208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18283032 is a wasteful number, since it uses less digits than its factorization.
18283032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6912 (or 6905 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 18283032 is about 4275.8662280291. The cubic root of 18283032 is about 263.4406199949.
The spelling of 18283032 in words is "eighteen million, two hundred eighty-three thousand, thirty-two".
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