Base | Representation |
---|---|
bin | 100110010111… |
… | …1001110010000 |
3 | 1101212000110200 |
4 | 1030233032100 |
5 | 20122210433 |
6 | 1555055200 |
7 | 332662206 |
oct | 114571620 |
9 | 41760420 |
10 | 20116368 |
11 | 1039a7a8 |
12 | 68a1500 |
13 | 422439c |
14 | 2959076 |
15 | 1b75613 |
hex | 132f390 |
20116368 has 30 divisors (see below), whose sum is σ = 56298294. Its totient is φ = 6705408.
The previous prime is 20116367. The next prime is 20116379. The reversal of 20116368 is 86361102.
20116368 is a `hidden beast` number, since 20 + 1 + 1 + 636 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 18558864 + 1557504 = 4308^2 + 1248^2 .
It is a super-2 number, since 2×201163682 = 809336523022848, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20116367) 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, 69705 + ... + 69992.
Almost surely, 220116368 is an apocalyptic number.
It is an amenable number.
20116368 is an abundant number, since it is smaller than the sum of its proper divisors (36181926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20116368 is a wasteful number, since it uses less digits than its factorization.
20116368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139711 (or 139702 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 20116368 is about 4485.1274229391. The cubic root of 20116368 is about 271.9671961593.
The spelling of 20116368 in words is "twenty million, one hundred sixteen thousand, three hundred sixty-eight".
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