Base | Representation |
---|---|
bin | 111001111100… |
… | …0010001101111 |
3 | 2010011022111201 |
4 | 1303320101233 |
5 | 30234031241 |
6 | 3003030331 |
7 | 516125614 |
oct | 163702157 |
9 | 63138451 |
10 | 30377071 |
11 | 1616881a |
12 | a20b3a7 |
13 | 63a77ca |
14 | 406a50b |
15 | 2a00931 |
hex | 1cf846f |
30377071 has 2 divisors, whose sum is σ = 30377072. Its totient is φ = 30377070.
The previous prime is 30377059. The next prime is 30377093. The reversal of 30377071 is 17077303.
It is a weak prime.
It is an emirp because it is prime and its reverse (17077303) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30377071 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30377021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15188535 + 15188536.
It is an arithmetic number, because the mean of its divisors is an integer number (15188536).
Almost surely, 230377071 is an apocalyptic number.
30377071 is a deficient number, since it is larger than the sum of its proper divisors (1).
30377071 is an equidigital number, since it uses as much as digits as its factorization.
30377071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3087, while the sum is 28.
The square root of 30377071 is about 5511.5398029952. The cubic root of 30377071 is about 312.0196644137.
The spelling of 30377071 in words is "thirty million, three hundred seventy-seven thousand, seventy-one".
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