Base | Representation |
---|---|
bin | 100110010111… |
… | …1101000100000 |
3 | 1101212002202220 |
4 | 1030233220200 |
5 | 20122234143 |
6 | 1555111040 |
7 | 333000126 |
oct | 114575040 |
9 | 41762686 |
10 | 20118048 |
11 | 103a0a95 |
12 | 68a2480 |
13 | 4225092 |
14 | 2959916 |
15 | 1b75d83 |
hex | 132fa20 |
20118048 has 24 divisors (see below), whose sum is σ = 52810128. Its totient is φ = 6705984.
The previous prime is 20118041. The next prime is 20118067. The reversal of 20118048 is 84081102.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (20118041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104686 + ... + 104877.
It is an arithmetic number, because the mean of its divisors is an integer number (2200422).
Almost surely, 220118048 is an apocalyptic number.
It is an amenable number.
20118048 is an abundant number, since it is smaller than the sum of its proper divisors (32692080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20118048 is a wasteful number, since it uses less digits than its factorization.
20118048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209576 (or 209568 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 24.
The square root of 20118048 is about 4485.3147046779. The cubic root of 20118048 is about 271.9747669787.
The spelling of 20118048 in words is "twenty million, one hundred eighteen thousand, forty-eight".
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