Base | Representation |
---|---|
bin | 100010011101… |
… | …0001000010100 |
3 | 1020222202000001 |
4 | 1010322020110 |
5 | 14111021032 |
6 | 1443101044 |
7 | 306353260 |
oct | 104721024 |
9 | 36882001 |
10 | 18063892 |
11 | a218740 |
12 | 6071784 |
13 | 39860c2 |
14 | 25830a0 |
15 | 18bc3e7 |
hex | 113a214 |
18063892 has 48 divisors (see below), whose sum is σ = 39739392. Its totient is φ = 6979680.
The previous prime is 18063887. The next prime is 18063907. The reversal of 18063892 is 29836081.
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, 68553 + ... + 68815.
It is an arithmetic number, because the mean of its divisors is an integer number (827904).
Almost surely, 218063892 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18063892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19869696).
18063892 is an abundant number, since it is smaller than the sum of its proper divisors (21675500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18063892 is a wasteful number, since it uses less digits than its factorization.
18063892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 508 (or 506 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 18063892 is about 4250.1637615508. The cubic root of 18063892 is about 262.3838554971.
It can be divided in two parts, 18063 and 892, that multiplied together give a square (16112196 = 40142).
The spelling of 18063892 in words is "eighteen million, sixty-three thousand, eight hundred ninety-two".
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