Base | Representation |
---|---|
bin | 11011011100011… |
… | …01101111001001 |
3 | 121001012022200102 |
4 | 31232031233021 |
5 | 432413444242 |
6 | 34502215145 |
7 | 5463553352 |
oct | 1556155711 |
9 | 531168612 |
10 | 230218697 |
11 | 108a52795 |
12 | 651244b5 |
13 | 389079a7 |
14 | 2280ad29 |
15 | 15327e32 |
hex | db8dbc9 |
230218697 has 8 divisors (see below), whose sum is σ = 238411080. Its totient is φ = 222168960.
The previous prime is 230218691. The next prime is 230218717. The reversal of 230218697 is 796812032.
It can be written as a sum of positive squares in 4 ways, for example, as 4648336 + 225570361 = 2156^2 + 15019^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230218697 - 220 = 229170121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230218697.
It is not an unprimeable number, because it can be changed into a prime (230218691) 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 in 7 ways as a sum of consecutive naturals, for example, 32372 + ... + 38837.
It is an arithmetic number, because the mean of its divisors is an integer number (29801385).
Almost surely, 2230218697 is an apocalyptic number.
It is an amenable number.
230218697 is a deficient number, since it is larger than the sum of its proper divisors (8192383).
230218697 is an equidigital number, since it uses as much as digits as its factorization.
230218697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71323.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 230218697 is about 15172.9594015143. The cubic root of 230218697 is about 612.8867002463.
The spelling of 230218697 in words is "two hundred thirty million, two hundred eighteen thousand, six hundred ninety-seven".
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