Base | Representation |
---|---|
bin | 100010110111… |
… | …1100110010100 |
3 | 1021101212102110 |
4 | 1011233212110 |
5 | 14140023100 |
6 | 1451511020 |
7 | 311254626 |
oct | 105574624 |
9 | 37355373 |
10 | 18282900 |
11 | a358239 |
12 | 6158470 |
13 | 3a319ac |
14 | 25dcc16 |
15 | 1912250 |
hex | 116f994 |
18282900 has 36 divisors (see below), whose sum is σ = 52899392. Its totient is φ = 4875360.
The previous prime is 18282899. The next prime is 18282911. The reversal of 18282900 is 928281.
18282900 is nontrivially palindromic in base 9.
It is a super-3 number, since 3×182829003 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30172 + ... + 30771.
Almost surely, 218282900 is an apocalyptic number.
18282900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18282900 is an abundant number, since it is smaller than the sum of its proper divisors (34616492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18282900 is a wasteful number, since it uses less digits than its factorization.
18282900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60960 (or 60953 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 18282900 is about 4275.8507925324. The cubic root of 18282900 is about 263.4399859964.
The spelling of 18282900 in words is "eighteen million, two hundred eighty-two thousand, nine hundred".
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