Base | Representation |
---|---|
bin | 100110011111… |
… | …1010000100010 |
3 | 1101222100120100 |
4 | 1030333100202 |
5 | 20131311200 |
6 | 2000323230 |
7 | 333354540 |
oct | 114772042 |
9 | 41870510 |
10 | 20182050 |
11 | 10435089 |
12 | 6913516 |
13 | 4248255 |
14 | 2974d90 |
15 | 1b89d00 |
hex | 133f422 |
20182050 has 144 divisors (see below), whose sum is σ = 63835200. Its totient is φ = 4475520.
The previous prime is 20182049. The next prime is 20182067. The reversal of 20182050 is 5028102.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 135376 + ... + 135524.
It is an arithmetic number, because the mean of its divisors is an integer number (443300).
Almost surely, 220182050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20182050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31917600).
20182050 is an abundant number, since it is smaller than the sum of its proper divisors (43653150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20182050 is a wasteful number, since it uses less digits than its factorization.
20182050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217 (or 209 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 20182050 is about 4492.4436557402. The cubic root of 20182050 is about 272.2628748272.
The spelling of 20182050 in words is "twenty million, one hundred eighty-two thousand, fifty".
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