Base | Representation |
---|---|
bin | 100110010110… |
… | …0000000000000 |
3 | 1101211100100210 |
4 | 1030230000000 |
5 | 20121300133 |
6 | 1554514120 |
7 | 332605551 |
oct | 114540000 |
9 | 41740323 |
10 | 20103168 |
11 | 10390898 |
12 | 6895940 |
13 | 421b387 |
14 | 2954328 |
15 | 1b71763 |
hex | 132c000 |
20103168 has 60 divisors (see below), whose sum is σ = 53737880. Its totient is φ = 6684672.
The previous prime is 20103157. The next prime is 20103191. The reversal of 20103168 is 86130102.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48948 + ... + 49356.
Almost surely, 220103168 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 20103168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26868940).
20103168 is an abundant number, since it is smaller than the sum of its proper divisors (33634712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20103168 is an frugal number, since it uses more digits than its factorization.
20103168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440 (or 414 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 20103168 is about 4483.6556513631. The cubic root of 20103168 is about 271.9076964772.
The spelling of 20103168 in words is "twenty million, one hundred three thousand, one hundred sixty-eight".
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