Base | Representation |
---|---|
bin | 11011011010110… |
… | …01100110011011 |
3 | 121000210110202011 |
4 | 31231121212123 |
5 | 432340131042 |
6 | 34453450351 |
7 | 5462003641 |
oct | 1555314633 |
9 | 530713664 |
10 | 230005147 |
11 | 1089172a9 |
12 | 650409b7 |
13 | 38861728 |
14 | 22793191 |
15 | 152d4a17 |
hex | db5999b |
230005147 has 2 divisors, whose sum is σ = 230005148. Its totient is φ = 230005146.
The previous prime is 230005117. The next prime is 230005159. The reversal of 230005147 is 741500032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230005147 - 211 = 230003099 is a prime.
It is not a weakly prime, because it can be changed into another prime (230005117) 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, 115002573 + 115002574.
It is an arithmetic number, because the mean of its divisors is an integer number (115002574).
Almost surely, 2230005147 is an apocalyptic number.
230005147 is a deficient number, since it is larger than the sum of its proper divisors (1).
230005147 is an equidigital number, since it uses as much as digits as its factorization.
230005147 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 230005147 is about 15165.9205787186. The cubic root of 230005147 is about 612.6971378201.
Adding to 230005147 its reverse (741500032), we get a palindrome (971505179).
The spelling of 230005147 in words is "two hundred thirty million, five thousand, one hundred forty-seven".
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