Base | Representation |
---|---|
bin | 100010011011… |
… | …1011101000010 |
3 | 1020222011222001 |
4 | 1010313131002 |
5 | 14110143210 |
6 | 1442534214 |
7 | 306306310 |
oct | 104673502 |
9 | 36864861 |
10 | 18052930 |
11 | a210485 |
12 | 606736a |
13 | 398110c |
14 | 257d0b0 |
15 | 18b903a |
hex | 1137742 |
18052930 has 32 divisors (see below), whose sum is σ = 38755584. Its totient is φ = 5919936.
The previous prime is 18052897. The next prime is 18052939. The reversal of 18052930 is 3925081.
It is not an unprimeable number, because it can be changed into a prime (18052939) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3997 + ... + 7216.
It is an arithmetic number, because the mean of its divisors is an integer number (1211112).
Almost surely, 218052930 is an apocalyptic number.
18052930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18052930 is an abundant number, since it is smaller than the sum of its proper divisors (20702654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18052930 is a wasteful number, since it uses less digits than its factorization.
18052930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11250.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 18052930 is about 4248.8739684768. The cubic root of 18052930 is about 262.3307692292.
The spelling of 18052930 in words is "eighteen million, fifty-two thousand, nine hundred thirty".
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