Base | Representation |
---|---|
bin | 111001011010… |
… | …1011011100110 |
3 | 2002122101220221 |
4 | 1302311123212 |
5 | 30201301040 |
6 | 2553114554 |
7 | 513605431 |
oct | 162653346 |
9 | 62571827 |
10 | 30103270 |
11 | 15aa103a |
12 | a0b8a5a |
13 | 630ccb2 |
14 | 3dd8818 |
15 | 299974a |
hex | 1cb56e6 |
30103270 has 16 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 11895904.
The previous prime is 30103259. The next prime is 30103279. The reversal of 30103270 is 7230103.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30103279) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17305 + ... + 18964.
It is an arithmetic number, because the mean of its divisors is an integer number (3427515).
Almost surely, 230103270 is an apocalyptic number.
30103270 is a deficient number, since it is larger than the sum of its proper divisors (24736970).
30103270 is a wasteful number, since it uses less digits than its factorization.
30103270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36359.
The product of its (nonzero) digits is 126, while the sum is 16.
The square root of 30103270 is about 5486.6446941642. The cubic root of 30103270 is about 311.0793799365.
Adding to 30103270 its reverse (7230103), we get a palindrome (37333373).
The spelling of 30103270 in words is "thirty million, one hundred three thousand, two hundred seventy".
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