Base | Representation |
---|---|
bin | 11011011100000… |
… | …11111111000101 |
3 | 121001010021220011 |
4 | 31232003333011 |
5 | 432411210012 |
6 | 34501310221 |
7 | 5463326044 |
oct | 1556037705 |
9 | 531107804 |
10 | 230178757 |
11 | 108a25786 |
12 | 65105371 |
13 | 388c2763 |
14 | 227da55b |
15 | 1531b1a7 |
hex | db83fc5 |
230178757 has 2 divisors, whose sum is σ = 230178758. Its totient is φ = 230178756.
The previous prime is 230178743. The next prime is 230178763. The reversal of 230178757 is 757871032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 147841281 + 82337476 = 12159^2 + 9074^2 .
It is a cyclic number.
It is not a de Polignac number, because 230178757 - 215 = 230145989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230172757) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115089378 + 115089379.
It is an arithmetic number, because the mean of its divisors is an integer number (115089379).
Almost surely, 2230178757 is an apocalyptic number.
It is an amenable number.
230178757 is a deficient number, since it is larger than the sum of its proper divisors (1).
230178757 is an equidigital number, since it uses as much as digits as its factorization.
230178757 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 82320, while the sum is 40.
The square root of 230178757 is about 15171.6431872095. The cubic root of 230178757 is about 612.8512555281.
The spelling of 230178757 in words is "two hundred thirty million, one hundred seventy-eight thousand, seven hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •