Base | Representation |
---|---|
bin | 111001011100… |
… | …0000111010001 |
3 | 2002122221222212 |
4 | 1302320013101 |
5 | 30202124012 |
6 | 2553241505 |
7 | 513652445 |
oct | 162700721 |
9 | 62587885 |
10 | 30114257 |
11 | 15aa9318 |
12 | a103295 |
13 | 6314cb4 |
14 | 3ddc825 |
15 | 299cb22 |
hex | 1cb81d1 |
30114257 has 2 divisors, whose sum is σ = 30114258. Its totient is φ = 30114256.
The previous prime is 30114197. The next prime is 30114269. The reversal of 30114257 is 75241103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21911761 + 8202496 = 4681^2 + 2864^2 .
It is a cyclic number.
It is not a de Polignac number, because 30114257 - 28 = 30114001 is a prime.
It is not a weakly prime, because it can be changed into another prime (30114277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15057128 + 15057129.
It is an arithmetic number, because the mean of its divisors is an integer number (15057129).
Almost surely, 230114257 is an apocalyptic number.
It is an amenable number.
30114257 is a deficient number, since it is larger than the sum of its proper divisors (1).
30114257 is an equidigital number, since it uses as much as digits as its factorization.
30114257 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 30114257 is about 5487.6458522758. The cubic root of 30114257 is about 311.1172209354.
The spelling of 30114257 in words is "thirty million, one hundred fourteen thousand, two hundred fifty-seven".
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