Base | Representation |
---|---|
bin | 111001001110… |
… | …0010111100100 |
3 | 2002110012002210 |
4 | 1302130113210 |
5 | 30140004422 |
6 | 2551003420 |
7 | 513000225 |
oct | 162342744 |
9 | 62405083 |
10 | 30000612 |
11 | 15a309a4 |
12 | a069570 |
13 | 62a5355 |
14 | 3dad24c |
15 | 297910c |
hex | 1c9c5e4 |
30000612 has 12 divisors (see below), whose sum is σ = 70001456. Its totient is φ = 10000200.
The previous prime is 30000611. The next prime is 30000637. The reversal of 30000612 is 21600003.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 2500051 = 30000612 / (3 + 0 + 0 + 0 + 0 + 6 + 1 + 2).
It is not an unprimeable number, because it can be changed into a prime (30000611) 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, 1250014 + ... + 1250037.
Almost surely, 230000612 is an apocalyptic number.
It is an amenable number.
30000612 is an abundant number, since it is smaller than the sum of its proper divisors (40000844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000612 is a wasteful number, since it uses less digits than its factorization.
30000612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2500058 (or 2500056 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 30000612 is about 5477.2814424676. The cubic root of 30000612 is about 310.7253634991.
Adding to 30000612 its reverse (21600003), we get a palindrome (51600615).
The spelling of 30000612 in words is "thirty million, six hundred twelve", and thus it is an aban number.
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