Base | Representation |
---|---|
bin | 111001110011… |
… | …0111100000000 |
3 | 2010000201002020 |
4 | 1303212330000 |
5 | 30224243143 |
6 | 3001321440 |
7 | 515411553 |
oct | 163467400 |
9 | 63021066 |
10 | 30306048 |
11 | 1611a423 |
12 | a196280 |
13 | 6381396 |
14 | 404c69a |
15 | 29d9883 |
hex | 1ce6f00 |
30306048 has 36 divisors (see below), whose sum is σ = 80660328. Its totient is φ = 10101760.
The previous prime is 30306047. The next prime is 30306149. The reversal of 30306048 is 84060303.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30306041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18963 + ... + 20498.
Almost surely, 230306048 is an apocalyptic number.
It is an amenable number.
30306048 is an abundant number, since it is smaller than the sum of its proper divisors (50354280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30306048 is an equidigital number, since it uses as much as digits as its factorization.
30306048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39480 (or 39466 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 30306048 is about 5505.0929147472. The cubic root of 30306048 is about 311.7763025053.
The spelling of 30306048 in words is "thirty million, three hundred six thousand, forty-eight".
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