Base | Representation |
---|---|
bin | 111001101101… |
… | …111001110100 |
3 | 1001110200202211 |
4 | 321231321310 |
5 | 12333131403 |
6 | 1300143204 |
7 | 242414311 |
oct | 71557164 |
9 | 31420684 |
10 | 15130228 |
11 | 85a4623 |
12 | 5097b04 |
13 | 31999c9 |
14 | 201bd08 |
15 | 14dd06d |
hex | e6de74 |
15130228 has 48 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 6790784.
The previous prime is 15130223. The next prime is 15130229. The reversal of 15130228 is 82203151.
It is a junction number, because it is equal to n+sod(n) for n = 15130199 and 15130208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15130223) 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, 141351 + ... + 141457.
It is an arithmetic number, because the mean of its divisors is an integer number (612360).
Almost surely, 215130228 is an apocalyptic number.
It is an amenable number.
15130228 is a deficient number, since it is larger than the sum of its proper divisors (14263052).
15130228 is a wasteful number, since it uses less digits than its factorization.
15130228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216 (or 214 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 15130228 is about 3889.7593755912. The cubic root of 15130228 is about 247.3328627039.
Adding to 15130228 its reverse (82203151), we get a palindrome (97333379).
The spelling of 15130228 in words is "fifteen million, one hundred thirty thousand, two hundred twenty-eight".
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