Base | Representation |
---|---|
bin | 111010000111… |
… | …0111110010000 |
3 | 2010100001000201 |
4 | 1310032332100 |
5 | 30300020112 |
6 | 3005024544 |
7 | 516663625 |
oct | 164167620 |
9 | 63301021 |
10 | 30470032 |
11 | 1622164a |
12 | a255154 |
13 | 640ac08 |
14 | 409234c |
15 | 2a1d257 |
hex | 1d0ef90 |
30470032 has 20 divisors (see below), whose sum is σ = 61603200. Its totient is φ = 14572448.
The previous prime is 30470023. The next prime is 30470131. The reversal of 30470032 is 23007403.
It is a junction number, because it is equal to n+sod(n) for n = 30469991 and 30470009.
It is an unprimeable number.
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, 41032 + ... + 41767.
It is an arithmetic number, because the mean of its divisors is an integer number (3080160).
Almost surely, 230470032 is an apocalyptic number.
It is an amenable number.
30470032 is an abundant number, since it is smaller than the sum of its proper divisors (31133168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30470032 is a wasteful number, since it uses less digits than its factorization.
30470032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82830 (or 82824 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 19.
The square root of 30470032 is about 5519.9666665660. The cubic root of 30470032 is about 312.3376248711.
Adding to 30470032 its reverse (23007403), we get a palindrome (53477435).
The spelling of 30470032 in words is "thirty million, four hundred seventy thousand, thirty-two".
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