Base | Representation |
---|---|
bin | 111010001110… |
… | …1001011010010 |
3 | 2010102222211110 |
4 | 1310131023102 |
5 | 30303400320 |
6 | 3010154150 |
7 | 520325346 |
oct | 164351322 |
9 | 63388743 |
10 | 30528210 |
11 | 16261329 |
12 | a282956 |
13 | 642b53b |
14 | 40a9626 |
15 | 2a305e0 |
hex | 1d1d2d2 |
30528210 has 16 divisors (see below), whose sum is σ = 73267776. Its totient is φ = 8140848.
The previous prime is 30528203. The next prime is 30528227. The reversal of 30528210 is 1282503.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508774 + ... + 508833.
It is an arithmetic number, because the mean of its divisors is an integer number (4579236).
Almost surely, 230528210 is an apocalyptic number.
30528210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30528210 is an abundant number, since it is smaller than the sum of its proper divisors (42739566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30528210 is a wasteful number, since it uses less digits than its factorization.
30528210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1017617.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 30528210 is about 5525.2339316992. The cubic root of 30528210 is about 312.5362859198.
The spelling of 30528210 in words is "thirty million, five hundred twenty-eight thousand, two hundred ten".
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