Base | Representation |
---|---|
bin | 11011100100000… |
… | …00100101100110 |
3 | 121010001212011210 |
4 | 31302000211212 |
5 | 433142312124 |
6 | 34535412250 |
7 | 5505165405 |
oct | 1562004546 |
9 | 533055153 |
10 | 231213414 |
11 | 109572073 |
12 | 65524086 |
13 | 38b95693 |
14 | 229c963c |
15 | 15472a29 |
hex | dc80966 |
231213414 has 8 divisors (see below), whose sum is σ = 462426840. Its totient is φ = 77071136.
The previous prime is 231213397. The next prime is 231213439. The reversal of 231213414 is 414312132.
It is a sphenic number, since it is the product of 3 distinct primes.
231213414 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19267779 + ... + 19267790.
It is an arithmetic number, because the mean of its divisors is an integer number (57803355).
Almost surely, 2231213414 is an apocalyptic number.
231213414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231213414 is a wasteful number, since it uses less digits than its factorization.
231213414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38535574.
The product of its digits is 576, while the sum is 21.
The square root of 231213414 is about 15205.7033378927. The cubic root of 231213414 is about 613.7681416511.
Adding to 231213414 its reverse (414312132), we get a palindrome (645525546).
The spelling of 231213414 in words is "two hundred thirty-one million, two hundred thirteen thousand, four hundred fourteen".
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