Base | Representation |
---|---|
bin | 111001111001… |
… | …0110001100010 |
3 | 2010010011120212 |
4 | 1303302301202 |
5 | 30232321110 |
6 | 3002334122 |
7 | 516003113 |
oct | 163626142 |
9 | 63104525 |
10 | 30354530 |
11 | 16152898 |
12 | a1ba342 |
13 | 639a47b |
14 | 406220a |
15 | 29e8e05 |
hex | 1cf2c62 |
30354530 has 8 divisors (see below), whose sum is σ = 54638172. Its totient is φ = 12141808.
The previous prime is 30354523. The next prime is 30354539. The reversal of 30354530 is 3545303.
It can be written as a sum of positive squares in 2 ways, for example, as 28912129 + 1442401 = 5377^2 + 1201^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30354496 and 30354505.
It is not an unprimeable number, because it can be changed into a prime (30354539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517717 + ... + 1517736.
Almost surely, 230354530 is an apocalyptic number.
30354530 is a deficient number, since it is larger than the sum of its proper divisors (24283642).
30354530 is a wasteful number, since it uses less digits than its factorization.
30354530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3035460.
The product of its (nonzero) digits is 2700, while the sum is 23.
The square root of 30354530 is about 5509.4945321690. The cubic root of 30354530 is about 311.9424682984.
Adding to 30354530 its reverse (3545303), we get a palindrome (33899833).
The spelling of 30354530 in words is "thirty million, three hundred fifty-four thousand, five hundred thirty".
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