Base | Representation |
---|---|
bin | 11011011101001… |
… | …00000010011000 |
3 | 121001100221222111 |
4 | 31232210002120 |
5 | 432424410130 |
6 | 34504202104 |
7 | 5464413562 |
oct | 1556440230 |
9 | 531327874 |
10 | 230310040 |
11 | 109005384 |
12 | 65169334 |
13 | 3893a43c |
14 | 22832332 |
15 | 1534502a |
hex | dba4098 |
230310040 has 64 divisors (see below), whose sum is σ = 550022400. Its totient is φ = 86604672.
The previous prime is 230310029. The next prime is 230310061. The reversal of 230310040 is 40013032.
It is a self number, because there is not a number n which added to its sum of digits gives 230310040.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52159 + ... + 56401.
It is an arithmetic number, because the mean of its divisors is an integer number (8594100).
Almost surely, 2230310040 is an apocalyptic number.
230310040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230310040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275011200).
230310040 is an abundant number, since it is smaller than the sum of its proper divisors (319712360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230310040 is a wasteful number, since it uses less digits than its factorization.
230310040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4336 (or 4332 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 230310040 is about 15175.9691618031. The cubic root of 230310040 is about 612.9677471062.
Adding to 230310040 its reverse (40013032), we get a palindrome (270323072).
The spelling of 230310040 in words is "two hundred thirty million, three hundred ten thousand, forty".
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