Base | Representation |
---|---|
bin | 111001100000… |
… | …1011000100110 |
3 | 2002201220002021 |
4 | 1303001120212 |
5 | 30204332410 |
6 | 2554133354 |
7 | 514201243 |
oct | 163013046 |
9 | 62656067 |
10 | 30152230 |
11 | 160248a9 |
12 | a12125a |
13 | 6329374 |
14 | 400c5ca |
15 | 29a8eda |
hex | 1cc1626 |
30152230 has 16 divisors (see below), whose sum is σ = 55299024. Its totient is φ = 11833120.
The previous prime is 30152219. The next prime is 30152231. The reversal of 30152230 is 3225103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30152231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27916 + ... + 28975.
It is an arithmetic number, because the mean of its divisors is an integer number (3456189).
Almost surely, 230152230 is an apocalyptic number.
30152230 is a deficient number, since it is larger than the sum of its proper divisors (25146794).
30152230 is a wasteful number, since it uses less digits than its factorization.
30152230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56951.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 30152230 is about 5491.1046247545. The cubic root of 30152230 is about 311.2479352347.
Adding to 30152230 its reverse (3225103), we get a palindrome (33377333).
The spelling of 30152230 in words is "thirty million, one hundred fifty-two thousand, two hundred thirty".
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