Base | Representation |
---|---|
bin | 111001100000… |
… | …0111001011001 |
3 | 2002201210100022 |
4 | 1303000321121 |
5 | 30204301413 |
6 | 2554120225 |
7 | 514162361 |
oct | 163007131 |
9 | 62653308 |
10 | 30150233 |
11 | 16023353 |
12 | a120075 |
13 | 6328499 |
14 | 400b9a1 |
15 | 29a8608 |
hex | 1cc0e59 |
30150233 has 4 divisors (see below), whose sum is σ = 30173748. Its totient is φ = 30126720.
The previous prime is 30150209. The next prime is 30150247. The reversal of 30150233 is 33205103.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 26956864 = 1787^2 + 5192^2 .
It is a cyclic number.
It is not a de Polignac number, because 30150233 - 214 = 30133849 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30150733) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9716 + ... + 12437.
It is an arithmetic number, because the mean of its divisors is an integer number (7543437).
Almost surely, 230150233 is an apocalyptic number.
It is an amenable number.
30150233 is a deficient number, since it is larger than the sum of its proper divisors (23515).
30150233 is a wasteful number, since it uses less digits than its factorization.
30150233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23514.
The product of its (nonzero) digits is 270, while the sum is 17.
The square root of 30150233 is about 5490.9227821924. The cubic root of 30150233 is about 311.2410637048.
Adding to 30150233 its reverse (33205103), we get a palindrome (63355336).
The spelling of 30150233 in words is "thirty million, one hundred fifty thousand, two hundred thirty-three".
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