Base | Representation |
---|---|
bin | 10101101101100… |
… | …01100000101000 |
3 | 110200201012101112 |
4 | 22312301200220 |
5 | 333111140403 |
6 | 30023405452 |
7 | 4341041243 |
oct | 1266614050 |
9 | 420635345 |
10 | 182130728 |
11 | 9389856a |
12 | 50bb3888 |
13 | 2b96b980 |
14 | 1a29025a |
15 | 10ec99d8 |
hex | adb1828 |
182130728 has 32 divisors (see below), whose sum is σ = 368528160. Its totient is φ = 83885760.
The previous prime is 182130719. The next prime is 182130749. The reversal of 182130728 is 827031281.
It is a junction number, because it is equal to n+sod(n) for n = 182130694 and 182130703.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57851 + ... + 60917.
It is an arithmetic number, because the mean of its divisors is an integer number (11516505).
Almost surely, 2182130728 is an apocalyptic number.
It is an amenable number.
182130728 is an abundant number, since it is smaller than the sum of its proper divisors (186397432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
182130728 is a wasteful number, since it uses less digits than its factorization.
182130728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3657 (or 3653 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 182130728 is about 13495.5817955359. The cubic root of 182130728 is about 566.8407637308.
The spelling of 182130728 in words is "one hundred eighty-two million, one hundred thirty thousand, seven hundred twenty-eight".
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