Base | Representation |
---|---|
bin | 111001111100… |
… | …1101111010001 |
3 | 2010011121201102 |
4 | 1303321233101 |
5 | 30234224212 |
6 | 3003114145 |
7 | 516152225 |
oct | 163715721 |
9 | 63147642 |
10 | 30383057 |
11 | 16172271 |
12 | a212955 |
13 | 63aa453 |
14 | 406c785 |
15 | 2a025c2 |
hex | 1cf9bd1 |
30383057 has 2 divisors, whose sum is σ = 30383058. Its totient is φ = 30383056.
The previous prime is 30383027. The next prime is 30383137. The reversal of 30383057 is 75038303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22743361 + 7639696 = 4769^2 + 2764^2 .
It is a cyclic number.
It is not a de Polignac number, because 30383057 - 26 = 30382993 is a prime.
It is not a weakly prime, because it can be changed into another prime (30383027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15191528 + 15191529.
It is an arithmetic number, because the mean of its divisors is an integer number (15191529).
Almost surely, 230383057 is an apocalyptic number.
It is an amenable number.
30383057 is a deficient number, since it is larger than the sum of its proper divisors (1).
30383057 is an equidigital number, since it uses as much as digits as its factorization.
30383057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 30383057 is about 5512.0828186812. The cubic root of 30383057 is about 312.0401582377.
The spelling of 30383057 in words is "thirty million, three hundred eighty-three thousand, fifty-seven".
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