Base | Representation |
---|---|
bin | 111100100001… |
… | …1100100000000 |
3 | 2012201020212221 |
4 | 1321003210000 |
5 | 31110442031 |
6 | 3052100424 |
7 | 533506666 |
oct | 171034400 |
9 | 65636787 |
10 | 31734016 |
11 | 16a05266 |
12 | a764714 |
13 | 6761332 |
14 | 4300c36 |
15 | 2bbca11 |
hex | 1e43900 |
31734016 has 36 divisors (see below), whose sum is σ = 63962892. Its totient is φ = 15712256.
The previous prime is 31734013. The next prime is 31734083. The reversal of 31734016 is 61043713.
It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 28047616 = 1920^2 + 5296^2 .
It is not an unprimeable number, because it can be changed into a prime (31734011) 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, 28380 + ... + 29476.
It is an arithmetic number, because the mean of its divisors is an integer number (1776747).
Almost surely, 231734016 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31734016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31981446).
31734016 is an abundant number, since it is smaller than the sum of its proper divisors (32228876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31734016 is a wasteful number, since it uses less digits than its factorization.
31734016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1226 (or 1212 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 31734016 is about 5633.2953055916. The cubic root of 31734016 is about 316.5981300737.
Adding to 31734016 its reverse (61043713), we get a palindrome (92777729).
The spelling of 31734016 in words is "thirty-one million, seven hundred thirty-four thousand, sixteen".
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