Base | Representation |
---|---|
bin | 111001011110… |
… | …0001100000100 |
3 | 2002200210220001 |
4 | 1302330030010 |
5 | 30203142243 |
6 | 2553451044 |
7 | 514052221 |
oct | 162741404 |
9 | 62623801 |
10 | 30130948 |
11 | 1600a911 |
12 | a110a84 |
13 | 631c783 |
14 | 4004948 |
15 | 29a2a4d |
hex | 1cbc304 |
30130948 has 24 divisors (see below), whose sum is σ = 54133632. Its totient is φ = 14667744.
The previous prime is 30130939. The next prime is 30130949. The reversal of 30130948 is 84903103.
It is not an unprimeable number, because it can be changed into a prime (30130949) 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, 54811 + ... + 55357.
It is an arithmetic number, because the mean of its divisors is an integer number (2255568).
Almost surely, 230130948 is an apocalyptic number.
It is an amenable number.
30130948 is a deficient number, since it is larger than the sum of its proper divisors (24002684).
30130948 is a wasteful number, since it uses less digits than its factorization.
30130948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 891 (or 889 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 30130948 is about 5489.1664212337. The cubic root of 30130948 is about 311.1746898217.
The spelling of 30130948 in words is "thirty million, one hundred thirty thousand, nine hundred forty-eight".
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