Base | Representation |
---|---|
bin | 11011011011100… |
… | …10000101101101 |
3 | 121000222120100012 |
4 | 31231302011231 |
5 | 432401333303 |
6 | 34455543005 |
7 | 5462602244 |
oct | 1555620555 |
9 | 530876305 |
10 | 230105453 |
11 | 1089856a6 |
12 | 6508aa65 |
13 | 38898296 |
14 | 227bb95b |
15 | 153045d8 |
hex | db7216d |
230105453 has 4 divisors (see below), whose sum is σ = 230195868. Its totient is φ = 230015040.
The previous prime is 230105443. The next prime is 230105461. The reversal of 230105453 is 354501032.
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 69272329 + 160833124 = 8323^2 + 12682^2 .
It is a cyclic number.
It is not a de Polignac number, because 230105453 - 26 = 230105389 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 (230105423) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41276 + ... + 46517.
It is an arithmetic number, because the mean of its divisors is an integer number (57548967).
Almost surely, 2230105453 is an apocalyptic number.
It is an amenable number.
230105453 is a deficient number, since it is larger than the sum of its proper divisors (90415).
230105453 is an equidigital number, since it uses as much as digits as its factorization.
230105453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90414.
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 230105453 is about 15169.2271721403. The cubic root of 230105453 is about 612.7861912872.
Adding to 230105453 its reverse (354501032), we get a palindrome (584606485).
The spelling of 230105453 in words is "two hundred thirty million, one hundred five thousand, four hundred fifty-three".
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