Base | Representation |
---|---|
bin | 111001011110… |
… | …0001000111100 |
3 | 2002200210121122 |
4 | 1302330020330 |
5 | 30203140443 |
6 | 2553450112 |
7 | 514051514 |
oct | 162741074 |
9 | 62623548 |
10 | 30130748 |
11 | 1600a74a |
12 | a110938 |
13 | 631c65b |
14 | 4004844 |
15 | 29a2968 |
hex | 1cbc23c |
30130748 has 6 divisors (see below), whose sum is σ = 52728816. Its totient is φ = 15065372.
The previous prime is 30130741. The next prime is 30130757. The reversal of 30130748 is 84703103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30130741) by changing a digit.
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 as a sum of consecutive naturals, namely, 3766340 + ... + 3766347.
It is an arithmetic number, because the mean of its divisors is an integer number (8788136).
Almost surely, 230130748 is an apocalyptic number.
It is an amenable number.
30130748 is a deficient number, since it is larger than the sum of its proper divisors (22598068).
30130748 is a wasteful number, since it uses less digits than its factorization.
30130748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7532691 (or 7532689 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 30130748 is about 5489.1482035012. The cubic root of 30130748 is about 311.1740013261.
The spelling of 30130748 in words is "thirty million, one hundred thirty thousand, seven hundred forty-eight".
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