Base | Representation |
---|---|
bin | 11011011011110… |
… | …10100110110111 |
3 | 121001001100012102 |
4 | 31231322212313 |
5 | 432403442333 |
6 | 34500412315 |
7 | 5463106046 |
oct | 1555724667 |
9 | 531040172 |
10 | 230140343 |
11 | 1089a9934 |
12 | 650a709b |
13 | 388ab124 |
14 | 227ca55d |
15 | 1530eae8 |
hex | db7a9b7 |
230140343 has 8 divisors (see below), whose sum is σ = 236861328. Its totient is φ = 223481664.
The previous prime is 230140327. The next prime is 230140349. The reversal of 230140343 is 343041032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230140343 - 24 = 230140327 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230140349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8030 + ... + 22907.
It is an arithmetic number, because the mean of its divisors is an integer number (29607666).
Almost surely, 2230140343 is an apocalyptic number.
230140343 is a deficient number, since it is larger than the sum of its proper divisors (6720985).
230140343 is a wasteful number, since it uses less digits than its factorization.
230140343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31153.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 230140343 is about 15170.3771541778. The cubic root of 230140343 is about 612.8171611888.
Adding to 230140343 its reverse (343041032), we get a palindrome (573181375).
The spelling of 230140343 in words is "two hundred thirty million, one hundred forty thousand, three hundred forty-three".
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