Base | Representation |
---|---|
bin | 11011100011001… |
… | …01111001110000 |
3 | 121002212022020120 |
4 | 31301211321300 |
5 | 433130312422 |
6 | 34533210240 |
7 | 5504231631 |
oct | 1561457160 |
9 | 532768216 |
10 | 231104112 |
11 | 1094a7a38 |
12 | 65490980 |
13 | 38b579c5 |
14 | 2299b888 |
15 | 1545045c |
hex | dc65e70 |
231104112 has 40 divisors (see below), whose sum is σ = 606813840. Its totient is φ = 75770880.
The previous prime is 231104047. The next prime is 231104113. The reversal of 231104112 is 211401132.
It is a super-2 number, since 2×2311041122 = 106818221166617088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231104091 and 231104100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231104113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36537 + ... + 42392.
It is an arithmetic number, because the mean of its divisors is an integer number (15170346).
Almost surely, 2231104112 is an apocalyptic number.
It is an amenable number.
231104112 is an abundant number, since it is smaller than the sum of its proper divisors (375709728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231104112 is a wasteful number, since it uses less digits than its factorization.
231104112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79001 (or 78995 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 231104112 is about 15202.1088010841. The cubic root of 231104112 is about 613.6714104418.
Adding to 231104112 its reverse (211401132), we get a palindrome (442505244).
The spelling of 231104112 in words is "two hundred thirty-one million, one hundred four thousand, one hundred twelve".
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