Base | Representation |
---|---|
bin | 11011100101011… |
… | …10101010110010 |
3 | 121010102110002110 |
4 | 31302232222302 |
5 | 433214332122 |
6 | 34543430150 |
7 | 5506612605 |
oct | 1562565262 |
9 | 533373073 |
10 | 231402162 |
11 | 109690962 |
12 | 655b5356 |
13 | 38c30574 |
14 | 22a3833c |
15 | 154ad90c |
hex | dcaeab2 |
231402162 has 8 divisors (see below), whose sum is σ = 462804336. Its totient is φ = 77134052.
The previous prime is 231402151. The next prime is 231402163. The reversal of 231402162 is 261204132.
It is a sphenic number, since it is the product of 3 distinct primes.
231402162 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (231402163) 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, 19283508 + ... + 19283519.
It is an arithmetic number, because the mean of its divisors is an integer number (57850542).
Almost surely, 2231402162 is an apocalyptic number.
231402162 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.
231402162 is a wasteful number, since it uses less digits than its factorization.
231402162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38567032.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 231402162 is about 15211.9085587575. The cubic root of 231402162 is about 613.9351100490.
Adding to 231402162 its reverse (261204132), we get a palindrome (492606294).
The spelling of 231402162 in words is "two hundred thirty-one million, four hundred two thousand, one hundred sixty-two".
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