Base | Representation |
---|---|
bin | 111001111100… |
… | …1111111001011 |
3 | 2010011200010010 |
4 | 1303321333023 |
5 | 30234242300 |
6 | 3003123003 |
7 | 516155211 |
oct | 163717713 |
9 | 63150103 |
10 | 30384075 |
11 | 16173007 |
12 | a213463 |
13 | 63aaa57 |
14 | 406ccb1 |
15 | 2a02a50 |
hex | 1cf9fcb |
30384075 has 36 divisors (see below), whose sum is σ = 51703784. Its totient is φ = 15744000.
The previous prime is 30384071. The next prime is 30384091. The reversal of 30384075 is 57048303.
It is not a de Polignac number, because 30384075 - 22 = 30384071 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30384071) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125955 + ... + 126195.
Almost surely, 230384075 is an apocalyptic number.
30384075 is a deficient number, since it is larger than the sum of its proper divisors (21319709).
30384075 is a wasteful number, since it uses less digits than its factorization.
30384075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 30384075 is about 5512.1751604970. The cubic root of 30384075 is about 312.0436432209.
The spelling of 30384075 in words is "thirty million, three hundred eighty-four thousand, seventy-five".
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