Base | Representation |
---|---|
bin | 100010011000… |
… | …1110010110110 |
3 | 1020221000011112 |
4 | 1010301302312 |
5 | 14103423000 |
6 | 1442235022 |
7 | 306151604 |
oct | 104616266 |
9 | 36830145 |
10 | 18029750 |
11 | a1a5022 |
12 | 6055a72 |
13 | 39736bb |
14 | 2574874 |
15 | 18b2235 |
hex | 1131cb6 |
18029750 has 32 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 7032000.
The previous prime is 18029749. The next prime is 18029777. The reversal of 18029750 is 5792081.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9371 + ... + 11129.
It is an arithmetic number, because the mean of its divisors is an integer number (1081080).
Almost surely, 218029750 is an apocalyptic number.
18029750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18029750 is a deficient number, since it is larger than the sum of its proper divisors (16564810).
18029750 is a wasteful number, since it uses less digits than its factorization.
18029750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1817 (or 1807 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 18029750 is about 4246.1453107495. The cubic root of 18029750 is about 262.2184433872.
The spelling of 18029750 in words is "eighteen million, twenty-nine thousand, seven hundred fifty".
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