Base | Representation |
---|---|
bin | 111001100000… |
… | …1011000101001 |
3 | 2002201220002101 |
4 | 1303001120221 |
5 | 30204332413 |
6 | 2554133401 |
7 | 514201246 |
oct | 163013051 |
9 | 62656071 |
10 | 30152233 |
11 | 16024901 |
12 | a121261 |
13 | 6329377 |
14 | 400c5cd |
15 | 29a8edd |
hex | 1cc1629 |
30152233 has 4 divisors (see below), whose sum is σ = 30277588. Its totient is φ = 30026880.
The previous prime is 30152231. The next prime is 30152249. The reversal of 30152233 is 33225103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33225103 = 137 ⋅242519.
It can be written as a sum of positive squares in 2 ways, for example, as 9467929 + 20684304 = 3077^2 + 4548^2 .
It is a cyclic number.
It is not a de Polignac number, because 30152233 - 21 = 30152231 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30152233.
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 3 ways as a sum of consecutive naturals, for example, 62316 + ... + 62797.
It is an arithmetic number, because the mean of its divisors is an integer number (7569397).
Almost surely, 230152233 is an apocalyptic number.
It is an amenable number.
30152233 is a deficient number, since it is larger than the sum of its proper divisors (125355).
30152233 is a wasteful number, since it uses less digits than its factorization.
30152233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125354.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 30152233 is about 5491.1048979235. The cubic root of 30152233 is about 311.2479455572.
Adding to 30152233 its reverse (33225103), we get a palindrome (63377336).
The spelling of 30152233 in words is "thirty million, one hundred fifty-two thousand, two hundred thirty-three".
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