Base | Representation |
---|---|
bin | 1111100001100… |
… | …10000001000101 |
3 | 100002001021122010 |
4 | 13300302001011 |
5 | 231314301133 |
6 | 20531124433 |
7 | 3140631216 |
oct | 760620105 |
9 | 302037563 |
10 | 130228293 |
11 | 67568498 |
12 | 37743719 |
13 | 20c98680 |
14 | 1341d40d |
15 | b676263 |
hex | 7c32045 |
130228293 has 16 divisors (see below), whose sum is σ = 187306560. Its totient is φ = 80006784.
The previous prime is 130228283. The next prime is 130228297. The reversal of 130228293 is 392822031.
It is a happy number.
It is not a de Polignac number, because 130228293 - 210 = 130227269 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130228293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130228297) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 24193 + ... + 29081.
It is an arithmetic number, because the mean of its divisors is an integer number (11706660).
Almost surely, 2130228293 is an apocalyptic number.
130228293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
130228293 is a deficient number, since it is larger than the sum of its proper divisors (57078267).
130228293 is a wasteful number, since it uses less digits than its factorization.
130228293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5588.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 130228293 is about 11411.7611699509. The cubic root of 130228293 is about 506.8760633691.
The spelling of 130228293 in words is "one hundred thirty million, two hundred twenty-eight thousand, two hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •