Base | Representation |
---|---|
bin | 111001010110… |
… | …0111110001010 |
3 | 2002120122101112 |
4 | 1302230332022 |
5 | 30144143433 |
6 | 2552250322 |
7 | 513402416 |
oct | 162547612 |
9 | 62518345 |
10 | 30068618 |
11 | 15a77aa8 |
12 | a0a09a2 |
13 | 62ca2a8 |
14 | 3dc9d46 |
15 | 298e348 |
hex | 1cacf8a |
30068618 has 4 divisors (see below), whose sum is σ = 45102930. Its totient is φ = 15034308.
The previous prime is 30068593. The next prime is 30068629. The reversal of 30068618 is 81686003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 30063289 + 5329 = 5483^2 + 73^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7517153 + ... + 7517156.
Almost surely, 230068618 is an apocalyptic number.
30068618 is a deficient number, since it is larger than the sum of its proper divisors (15034312).
30068618 is a wasteful number, since it uses less digits than its factorization.
30068618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15034311.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 30068618 is about 5483.4859350599. The cubic root of 30068618 is about 310.9599725162.
The spelling of 30068618 in words is "thirty million, sixty-eight thousand, six hundred eighteen".
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