Base | Representation |
---|---|
bin | 100110111111… |
… | …0100000111100 |
3 | 1102110111222120 |
4 | 1031332200330 |
5 | 20213104043 |
6 | 2010042540 |
7 | 335514120 |
oct | 115764074 |
9 | 42414876 |
10 | 20441148 |
11 | 105a1812 |
12 | 6a19450 |
13 | 4309170 |
14 | 2a01580 |
15 | 1bdb983 |
hex | 137e83c |
20441148 has 48 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 5390784.
The previous prime is 20441147. The next prime is 20441159. The reversal of 20441148 is 84114402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20441147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8268 + ... + 10451.
It is an arithmetic number, because the mean of its divisors is an integer number (1223040).
Almost surely, 220441148 is an apocalyptic number.
20441148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
20441148 is an abundant number, since it is smaller than the sum of its proper divisors (38264772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20441148 is a wasteful number, since it uses less digits than its factorization.
20441148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18746 (or 18744 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 20441148 is about 4521.1887817254. The cubic root of 20441148 is about 273.4230315697.
The spelling of 20441148 in words is "twenty million, four hundred forty-one thousand, one hundred forty-eight".
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