Base | Representation |
---|---|
bin | 100010011111… |
… | …0101000011100 |
3 | 1021000200022000 |
4 | 1010332220130 |
5 | 14112113312 |
6 | 1443322300 |
7 | 306461112 |
oct | 104765034 |
9 | 37020260 |
10 | 18082332 |
11 | a230584 |
12 | 6080390 |
13 | 3991608 |
14 | 2589ab2 |
15 | 18c2adc |
hex | 113ea1c |
18082332 has 24 divisors (see below), whose sum is σ = 46880400. Its totient is φ = 6027408.
The previous prime is 18082327. The next prime is 18082343. The reversal of 18082332 is 23328081.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 18082296 and 18082305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83607 + ... + 83822.
It is an arithmetic number, because the mean of its divisors is an integer number (1953350).
Almost surely, 218082332 is an apocalyptic number.
18082332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18082332 is an abundant number, since it is smaller than the sum of its proper divisors (28798068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18082332 is a wasteful number, since it uses less digits than its factorization.
18082332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167442 (or 167434 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 18082332 is about 4252.3325363852. The cubic root of 18082332 is about 262.4731074491.
The spelling of 18082332 in words is "eighteen million, eighty-two thousand, three hundred thirty-two".
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