Base | Representation |
---|---|
bin | 100010011000… |
… | …0101000011000 |
3 | 1020220202122000 |
4 | 1010300220120 |
5 | 14103244414 |
6 | 1442201000 |
7 | 306131655 |
oct | 104605030 |
9 | 36822560 |
10 | 18024984 |
11 | a1a148a |
12 | 6053160 |
13 | 3971493 |
14 | 2572c2c |
15 | 18b0b09 |
hex | 1130a18 |
18024984 has 32 divisors (see below), whose sum is σ = 50070000. Its totient is φ = 6008256.
The previous prime is 18024971. The next prime is 18025001. The reversal of 18024984 is 48942081.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 41509 + ... + 41940.
Almost surely, 218024984 is an apocalyptic number.
It is an amenable number.
18024984 is an abundant number, since it is smaller than the sum of its proper divisors (32045016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18024984 is a wasteful number, since it uses less digits than its factorization.
18024984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83464 (or 83454 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 18024984 is about 4245.5840587603. The cubic root of 18024984 is about 262.1953363329.
It can be divided in two parts, 1802 and 4984, that added together give a triangular number (6786 = T116).
The spelling of 18024984 in words is "eighteen million, twenty-four thousand, nine hundred eighty-four".
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