Base | Representation |
---|---|
bin | 1001011111110010… |
… | …0010101000110000 |
3 | 20120122211022022200 |
4 | 2113330202220300 |
5 | 20210100331003 |
6 | 1100542503200 |
7 | 120113045544 |
oct | 22774425060 |
9 | 6518738280 |
10 | 2549230128 |
11 | 1098a79365 |
12 | 5b1894b00 |
13 | 3181a82c3 |
14 | 1a27c7a24 |
15 | edc026a3 |
hex | 97f22a30 |
2549230128 has 60 divisors (see below), whose sum is σ = 7220293080. Its totient is φ = 839501568.
The previous prime is 2549230127. The next prime is 2549230141. The reversal of 2549230128 is 8210329452.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2549230092 and 2549230101.
It is not an unprimeable number, because it can be changed into a prime (2549230127) 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, 94693 + ... + 118596.
It is an arithmetic number, because the mean of its divisors is an integer number (120338218).
Almost surely, 22549230128 is an apocalyptic number.
It is an amenable number.
2549230128 is an abundant number, since it is smaller than the sum of its proper divisors (4671062952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2549230128 is a wasteful number, since it uses less digits than its factorization.
2549230128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213386 (or 213377 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 2549230128 is about 50489.9012476753. The cubic root of 2549230128 is about 1366.0597044075.
The spelling of 2549230128 in words is "two billion, five hundred forty-nine million, two hundred thirty thousand, one hundred twenty-eight".
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