Base | Representation |
---|---|
bin | 111001011011… |
… | …1000101101001 |
3 | 2002122202020022 |
4 | 1302313011221 |
5 | 30202010212 |
6 | 2553210225 |
7 | 513634265 |
oct | 162670551 |
9 | 62582208 |
10 | 30110057 |
11 | 15aa614a |
12 | a100975 |
13 | 6313103 |
14 | 3ddb0a5 |
15 | 299b772 |
hex | 1cb7169 |
30110057 has 2 divisors, whose sum is σ = 30110058. Its totient is φ = 30110056.
The previous prime is 30110039. The next prime is 30110063. The reversal of 30110057 is 75001103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16152361 + 13957696 = 4019^2 + 3736^2 .
It is an emirp because it is prime and its reverse (75001103) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30110057 - 218 = 29847913 is a prime.
It is not a weakly prime, because it can be changed into another prime (30110257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055028 + 15055029.
It is an arithmetic number, because the mean of its divisors is an integer number (15055029).
Almost surely, 230110057 is an apocalyptic number.
It is an amenable number.
30110057 is a deficient number, since it is larger than the sum of its proper divisors (1).
30110057 is an equidigital number, since it uses as much as digits as its factorization.
30110057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 105, while the sum is 17.
The square root of 30110057 is about 5487.2631611761. The cubic root of 30110057 is about 311.1027565453.
The spelling of 30110057 in words is "thirty million, one hundred ten thousand, fifty-seven".
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