Base | Representation |
---|---|
bin | 11011011011110… |
… | …11110011011100 |
3 | 121001001120220221 |
4 | 31231323303130 |
5 | 432404121434 |
6 | 34500451124 |
7 | 5463126250 |
oct | 1555736334 |
9 | 531046827 |
10 | 230145244 |
11 | 108a0258a |
12 | 650a9aa4 |
13 | 388b0424 |
14 | 227cc260 |
15 | 153112b4 |
hex | db7bcdc |
230145244 has 24 divisors (see below), whose sum is σ = 460615680. Its totient is φ = 98564016.
The previous prime is 230145241. The next prime is 230145257. The reversal of 230145244 is 442541032.
It is a happy number.
230145244 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
230145244 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230145241) 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, 66837 + ... + 70195.
It is an arithmetic number, because the mean of its divisors is an integer number (19192320).
Almost surely, 2230145244 is an apocalyptic number.
It is an amenable number.
230145244 is an abundant number, since it is smaller than the sum of its proper divisors (230470436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230145244 is a wasteful number, since it uses less digits than its factorization.
230145244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 230145244 is about 15170.5386852280. The cubic root of 230145244 is about 612.8215112817.
Adding to 230145244 its reverse (442541032), we get a palindrome (672686276).
The spelling of 230145244 in words is "two hundred thirty million, one hundred forty-five thousand, two hundred forty-four".
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