Base | Representation |
---|---|
bin | 11011100100001… |
… | …11001011011010 |
3 | 121010010020012122 |
4 | 31302013023122 |
5 | 433144143120 |
6 | 34540141242 |
7 | 5505340202 |
oct | 1562071332 |
9 | 533106178 |
10 | 231240410 |
11 | 109590385 |
12 | 65537822 |
13 | 38ba4a5b |
14 | 229d5402 |
15 | 1547aa25 |
hex | dc872da |
231240410 has 24 divisors (see below), whose sum is σ = 426953268. Its totient is φ = 90120000.
The previous prime is 231240389. The next prime is 231240419. The reversal of 231240410 is 14042132.
It can be written as a sum of positive squares in 2 ways, for example, as 203604361 + 27636049 = 14269^2 + 5257^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231240419) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307535 + ... + 308285.
Almost surely, 2231240410 is an apocalyptic number.
231240410 is a deficient number, since it is larger than the sum of its proper divisors (195712858).
231240410 is an frugal number, since it uses more digits than its factorization.
231240410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1550 (or 799 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 231240410 is about 15206.5910052188. The cubic root of 231240410 is about 613.7920281544.
Adding to 231240410 its reverse (14042132), we get a palindrome (245282542).
The spelling of 231240410 in words is "two hundred thirty-one million, two hundred forty thousand, four hundred ten".
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