Base | Representation |
---|---|
bin | 111010001001… |
… | …0000001101010 |
3 | 2010100200011220 |
4 | 1310102001222 |
5 | 30300420123 |
6 | 3005202510 |
7 | 520045242 |
oct | 164220152 |
9 | 63320156 |
10 | 30482538 |
11 | 1622aa89 |
12 | a260436 |
13 | 6413808 |
14 | 4096b22 |
15 | 2a21ce3 |
hex | 1d1206a |
30482538 has 32 divisors (see below), whose sum is σ = 63417600. Its totient is φ = 9756096.
The previous prime is 30482533. The next prime is 30482549. The reversal of 30482538 is 83528403.
It is a junction number, because it is equal to n+sod(n) for n = 30482499 and 30482508.
It is not an unprimeable number, because it can be changed into a prime (30482533) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41220 + ... + 41952.
It is an arithmetic number, because the mean of its divisors is an integer number (1981800).
Almost surely, 230482538 is an apocalyptic number.
30482538 is an abundant number, since it is smaller than the sum of its proper divisors (32935062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30482538 is a wasteful number, since it uses less digits than its factorization.
30482538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1006.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 30482538 is about 5521.0993470504. The cubic root of 30482538 is about 312.3803505680.
The spelling of 30482538 in words is "thirty million, four hundred eighty-two thousand, five hundred thirty-eight".
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