Base | Representation |
---|---|
bin | 11111010010101101111010 |
3 | 120102202120122 |
4 | 133102231322 |
5 | 4100000010 |
6 | 451453242 |
7 | 126503555 |
oct | 37225572 |
9 | 16382518 |
10 | 8203130 |
11 | 46a3151 |
12 | 28b7222 |
13 | 1912a30 |
14 | 113769c |
15 | ac0855 |
hex | 7d2b7a |
8203130 has 32 divisors (see below), whose sum is σ = 16102800. Its totient is φ = 2990592.
The previous prime is 8203109. The next prime is 8203133. The reversal of 8203130 is 313028.
It can be written as a sum of positive squares in 8 ways, for example, as 177241 + 8025889 = 421^2 + 2833^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 8203099 and 8203108.
It is not an unprimeable number, because it can be changed into a prime (8203133) 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, 11216 + ... + 11924.
Almost surely, 28203130 is an apocalyptic number.
8203130 is a deficient number, since it is larger than the sum of its proper divisors (7899670).
8203130 is a wasteful number, since it uses less digits than its factorization.
8203130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 8203130 is about 2864.1106822188. The cubic root of 8203130 is about 201.6786217290.
Adding to 8203130 its reverse (313028), we get a palindrome (8516158).
The spelling of 8203130 in words is "eight million, two hundred three thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •