Base | Representation |
---|---|
bin | 100110101110… |
… | …0100101111000 |
3 | 1102012110101100 |
4 | 1031130211320 |
5 | 20144132300 |
6 | 2003051400 |
7 | 334365042 |
oct | 115344570 |
9 | 42173340 |
10 | 20302200 |
11 | 10507386 |
12 | 6970b60 |
13 | 428ab49 |
14 | 29a6a92 |
15 | 1bb0700 |
hex | 135c978 |
20302200 has 72 divisors (see below), whose sum is σ = 68187600. Its totient is φ = 5413440.
The previous prime is 20302189. The next prime is 20302207. The reversal of 20302200 is 220302.
20302200 is nontrivially palindromic in base 14.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3840 + ... + 7439.
It is an arithmetic number, because the mean of its divisors is an integer number (947050).
Almost surely, 220302200 is an apocalyptic number.
20302200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20302200 is an abundant number, since it is smaller than the sum of its proper divisors (47885400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302200 is a wasteful number, since it uses less digits than its factorization.
20302200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11301 (or 11289 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 9.
The square root of 20302200 is about 4505.7962670321. The cubic root of 20302200 is about 272.8020946225.
Adding to 20302200 its reverse (220302), we get a palindrome (20522502).
It can be divided in two parts, 20302 and 200, that added together give a palindrome (20502).
The spelling of 20302200 in words is "twenty million, three hundred two thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •