Base | Representation |
---|---|
bin | 100011010000… |
… | …0010001001010 |
3 | 1021202222212210 |
4 | 1012200101022 |
5 | 14212413000 |
6 | 1500045550 |
7 | 313045053 |
oct | 106402112 |
9 | 37688783 |
10 | 18482250 |
11 | a483a96 |
12 | 62338b6 |
13 | 3aa1657 |
14 | 265172a |
15 | 1951350 |
hex | 11a044a |
18482250 has 64 divisors (see below), whose sum is σ = 48597120. Its totient is φ = 4665600.
The previous prime is 18482239. The next prime is 18482257. The reversal of 18482250 is 5228481.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (18482257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13602 + ... + 14898.
It is an arithmetic number, because the mean of its divisors is an integer number (759330).
Almost surely, 218482250 is an apocalyptic number.
18482250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 18482250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24298560).
18482250 is an abundant number, since it is smaller than the sum of its proper divisors (30114870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18482250 is a wasteful number, since it uses less digits than its factorization.
18482250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1336 (or 1326 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 18482250 is about 4299.0987427599. The cubic root of 18482250 is about 264.3940110624.
The spelling of 18482250 in words is "eighteen million, four hundred eighty-two thousand, two hundred fifty".
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