Base | Representation |
---|---|
bin | 100110100001… |
… | …0011000100000 |
3 | 1102000000010100 |
4 | 1031002120200 |
5 | 20132213343 |
6 | 2000502400 |
7 | 333440052 |
oct | 115023040 |
9 | 42000110 |
10 | 20194848 |
11 | 10443763 |
12 | 691aa00 |
13 | 425101b |
14 | 29798d2 |
15 | 1b8d9d3 |
hex | 1342620 |
20194848 has 36 divisors (see below), whose sum is σ = 57429918. Its totient is φ = 6731520.
The previous prime is 20194847. The next prime is 20194871. The reversal of 20194848 is 84849102.
It can be written as a sum of positive squares in only one way, i.e., 19820304 + 374544 = 4452^2 + 612^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (20194841) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34773 + ... + 35348.
Almost surely, 220194848 is an apocalyptic number.
It is an amenable number.
20194848 is an abundant number, since it is smaller than the sum of its proper divisors (37235070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20194848 is a wasteful number, since it uses less digits than its factorization.
20194848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70137 (or 70126 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 20194848 is about 4493.8678218212. The cubic root of 20194848 is about 272.3204124908.
The spelling of 20194848 in words is "twenty million, one hundred ninety-four thousand, eight hundred forty-eight".
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