Base | Representation |
---|---|
bin | 111001001110… |
… | …0010110000100 |
3 | 2002110011222020 |
4 | 1302130112010 |
5 | 30140004031 |
6 | 2551003140 |
7 | 513000030 |
oct | 162342604 |
9 | 62404866 |
10 | 30000516 |
11 | 15a30917 |
12 | a0694b0 |
13 | 62a52b0 |
14 | 3dad1c0 |
15 | 2979096 |
hex | 1c9c584 |
30000516 has 96 divisors (see below), whose sum is σ = 87456768. Its totient is φ = 7793280.
The previous prime is 30000511. The next prime is 30000521. The reversal of 30000516 is 61500003.
It is an interprime number because it is at equal distance from previous prime (30000511) and next prime (30000521).
It is a junction number, because it is equal to n+sod(n) for n = 30000495 and 30000504.
It is not an unprimeable number, because it can be changed into a prime (30000511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90471 + ... + 90801.
It is an arithmetic number, because the mean of its divisors is an integer number (911008).
Almost surely, 230000516 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30000516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43728384).
30000516 is an abundant number, since it is smaller than the sum of its proper divisors (57456252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000516 is a wasteful number, since it uses less digits than its factorization.
30000516 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441 (or 439 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 30000516 is about 5477.2726789891. The cubic root of 30000516 is about 310.7250320651.
Adding to 30000516 its reverse (61500003), we get a palindrome (91500519).
The spelling of 30000516 in words is "thirty million, five hundred sixteen", and thus it is an aban number.
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