Base | Representation |
---|---|
bin | 100110001111… |
… | …1101011011100 |
3 | 1101201210010121 |
4 | 1030133223130 |
5 | 20113141300 |
6 | 1553444324 |
7 | 332305453 |
oct | 114375334 |
9 | 41653117 |
10 | 20052700 |
11 | 10356988 |
12 | 68706a4 |
13 | 4201405 |
14 | 293db9a |
15 | 1b6181a |
hex | 131fadc |
20052700 has 36 divisors (see below), whose sum is σ = 43781920. Its totient is φ = 7971840.
The previous prime is 20052689. The next prime is 20052701. The reversal of 20052700 is 725002.
It is a happy number.
It is a super-2 number, since 2×200527002 = 804221554580000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20052701) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18781 + ... + 19819.
Almost surely, 220052700 is an apocalyptic number.
20052700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20052700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21890960).
20052700 is an abundant number, since it is smaller than the sum of its proper divisors (23729220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20052700 is a wasteful number, since it uses less digits than its factorization.
20052700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1246 (or 1239 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 16.
The square root of 20052700 is about 4478.0241178448. The cubic root of 20052700 is about 271.6799689038.
Adding to 20052700 its reverse (725002), we get a palindrome (20777702).
It can be divided in two parts, 200 and 52700, that added together give a square (52900 = 2302).
The spelling of 20052700 in words is "twenty million, fifty-two thousand, seven hundred".
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