Base | Representation |
---|---|
bin | 11011100001010… |
… | …01100111110101 |
3 | 121002101202112212 |
4 | 31300221213311 |
5 | 433044412310 |
6 | 34524023205 |
7 | 5502153035 |
oct | 1560514765 |
9 | 532352485 |
10 | 230857205 |
11 | 109349487 |
12 | 65391b05 |
13 | 38a9c4c7 |
14 | 229358c5 |
15 | 15402205 |
hex | dc299f5 |
230857205 has 4 divisors (see below), whose sum is σ = 277028652. Its totient is φ = 184685760.
The previous prime is 230857199. The next prime is 230857243. The reversal of 230857205 is 502758032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 59089969 + 171767236 = 7687^2 + 13106^2 .
It is not a de Polignac number, because 230857205 - 212 = 230853109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23085716 + ... + 23085725.
It is an arithmetic number, because the mean of its divisors is an integer number (69257163).
Almost surely, 2230857205 is an apocalyptic number.
It is an amenable number.
230857205 is a deficient number, since it is larger than the sum of its proper divisors (46171447).
230857205 is an equidigital number, since it uses as much as digits as its factorization.
230857205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46171446.
The product of its (nonzero) digits is 16800, while the sum is 32.
The square root of 230857205 is about 15193.9858167632. The cubic root of 230857205 is about 613.4527878220.
The spelling of 230857205 in words is "two hundred thirty million, eight hundred fifty-seven thousand, two hundred five".
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