Base | Representation |
---|---|
bin | 100111000110… |
… | …1000101110000 |
3 | 1102120112212200 |
4 | 1032031011300 |
5 | 20222011343 |
6 | 2011223200 |
7 | 336153144 |
oct | 116150560 |
9 | 42515780 |
10 | 20500848 |
11 | 10632655 |
12 | 6a47b00 |
13 | 432a3a4 |
14 | 2a19224 |
15 | 1bee4d3 |
hex | 138d170 |
20500848 has 120 divisors (see below), whose sum is σ = 61900800. Its totient is φ = 6314112.
The previous prime is 20500813. The next prime is 20500859. The reversal of 20500848 is 84800502.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 161361 + ... + 161487.
It is an arithmetic number, because the mean of its divisors is an integer number (515840).
Almost surely, 220500848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20500848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30950400).
20500848 is an abundant number, since it is smaller than the sum of its proper divisors (41399952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20500848 is a wasteful number, since it uses less digits than its factorization.
20500848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219 (or 210 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 20500848 is about 4527.7862140344. The cubic root of 20500848 is about 273.6889574283.
The spelling of 20500848 in words is "twenty million, five hundred thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •