Base | Representation |
---|---|
bin | 111010001110… |
… | …1101010111010 |
3 | 2010110002121102 |
4 | 1310131222322 |
5 | 30303431414 |
6 | 3010211402 |
7 | 520334300 |
oct | 164355272 |
9 | 63402542 |
10 | 30530234 |
11 | 162628a9 |
12 | a283b62 |
13 | 642c437 |
14 | 40aa270 |
15 | 2a30ede |
hex | 1d1daba |
30530234 has 12 divisors (see below), whose sum is σ = 53272314. Its totient is φ = 13084344.
The previous prime is 30530233. The next prime is 30530239. The reversal of 30530234 is 43203503.
It can be written as a sum of positive squares in only one way, i.e., 15976009 + 14554225 = 3997^2 + 3815^2 .
It is not an unprimeable number, because it can be changed into a prime (30530233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155669 + ... + 155864.
Almost surely, 230530234 is an apocalyptic number.
30530234 is a deficient number, since it is larger than the sum of its proper divisors (22742080).
30530234 is a wasteful number, since it uses less digits than its factorization.
30530234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311549 (or 311542 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 20.
The square root of 30530234 is about 5525.4170883292. The cubic root of 30530234 is about 312.5431927498.
Adding to 30530234 its reverse (43203503), we get a palindrome (73733737).
The spelling of 30530234 in words is "thirty million, five hundred thirty thousand, two hundred thirty-four".
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