Base | Representation |
---|---|
bin | 100111000100… |
… | …0010001100110 |
3 | 1102112112211020 |
4 | 1032020101212 |
5 | 20220344001 |
6 | 2010552010 |
7 | 336041511 |
oct | 116102146 |
9 | 42475736 |
10 | 20481126 |
11 | 10619856 |
12 | 6a38606 |
13 | 4321413 |
14 | 2a11d78 |
15 | 1be8736 |
hex | 1388466 |
20481126 has 16 divisors (see below), whose sum is σ = 43118400. Its totient is φ = 6467688.
The previous prime is 20481079. The next prime is 20481193. The reversal of 20481126 is 62118402.
It is a junction number, because it is equal to n+sod(n) for n = 20481096 and 20481105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89716 + ... + 89943.
It is an arithmetic number, because the mean of its divisors is an integer number (2694900).
Almost surely, 220481126 is an apocalyptic number.
20481126 is an abundant number, since it is smaller than the sum of its proper divisors (22637274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20481126 is a wasteful number, since it uses less digits than its factorization.
20481126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179683.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 20481126 is about 4525.6078044833. The cubic root of 20481126 is about 273.6011655246.
Adding to 20481126 its reverse (62118402), we get a palindrome (82599528).
The spelling of 20481126 in words is "twenty million, four hundred eighty-one thousand, one hundred twenty-six".
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