Base | Representation |
---|---|
bin | 111010001101… |
… | …0010100110000 |
3 | 2010102101210210 |
4 | 1310122110300 |
5 | 30303012103 |
6 | 3010024120 |
7 | 520246320 |
oct | 164322460 |
9 | 63371723 |
10 | 30516528 |
11 | 16253579 |
12 | a278040 |
13 | 6426123 |
14 | 40a5280 |
15 | 2a2be03 |
hex | 1d1a530 |
30516528 has 40 divisors (see below), whose sum is σ = 90097408. Its totient is φ = 8718912.
The previous prime is 30516523. The next prime is 30516539. The reversal of 30516528 is 82561503.
It is a junction number, because it is equal to n+sod(n) for n = 30516495 and 30516504.
It is not an unprimeable number, because it can be changed into a prime (30516523) 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 7 ways as a sum of consecutive naturals, for example, 45076 + ... + 45747.
Almost surely, 230516528 is an apocalyptic number.
It is an amenable number.
30516528 is an abundant number, since it is smaller than the sum of its proper divisors (59580880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30516528 is a wasteful number, since it uses less digits than its factorization.
30516528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90841 (or 90835 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 30516528 is about 5524.1766807371. The cubic root of 30516528 is about 312.4964155322.
The spelling of 30516528 in words is "thirty million, five hundred sixteen thousand, five hundred twenty-eight".
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