Base | Representation |
---|---|
bin | 100110001111… |
… | …1110001101101 |
3 | 1101201210200110 |
4 | 1030133301231 |
5 | 20113144401 |
6 | 1553450233 |
7 | 332306565 |
oct | 114376155 |
9 | 41653613 |
10 | 20053101 |
11 | 10357212 |
12 | 6870979 |
13 | 4201653 |
14 | 293dda5 |
15 | 1b619d6 |
hex | 131fc6d |
20053101 has 16 divisors (see below), whose sum is σ = 27264384. Its totient is φ = 13108224.
The previous prime is 20053091. The next prime is 20053109. The reversal of 20053101 is 10135002.
It is not a de Polignac number, because 20053101 - 210 = 20052077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20053109) 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, 39616 + ... + 40118.
It is an arithmetic number, because the mean of its divisors is an integer number (1704024).
Almost surely, 220053101 is an apocalyptic number.
It is an amenable number.
20053101 is a deficient number, since it is larger than the sum of its proper divisors (7211283).
20053101 is a wasteful number, since it uses less digits than its factorization.
20053101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740.
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 20053101 is about 4478.0688918327. The cubic root of 20053101 is about 271.6817798477.
Adding to 20053101 its reverse (10135002), we get a palindrome (30188103).
It can be divided in two parts, 200 and 53101, that added together give a triangular number (53301 = T326).
The spelling of 20053101 in words is "twenty million, fifty-three thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •