Base | Representation |
---|---|
bin | 111100000000… |
… | …0101100010000 |
3 | 2012012100011100 |
4 | 1320000230100 |
5 | 31023210422 |
6 | 3042144400 |
7 | 531256305 |
oct | 170005420 |
9 | 65170140 |
10 | 31460112 |
11 | 168384a2 |
12 | a652100 |
13 | 6696768 |
14 | 426d0ac |
15 | 2b667ac |
hex | 1e00b10 |
31460112 has 60 divisors (see below), whose sum is σ = 88571340. Its totient is φ = 10424064.
The previous prime is 31460063. The next prime is 31460129. The reversal of 31460112 is 21106413.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 15492096 + 15968016 = 3936^2 + 3996^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nialpdrome in base 12.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27814 + ... + 28922.
It is an arithmetic number, because the mean of its divisors is an integer number (1476189).
Almost surely, 231460112 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 31460112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44285670).
31460112 is an abundant number, since it is smaller than the sum of its proper divisors (57111228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31460112 is a wasteful number, since it uses less digits than its factorization.
31460112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1320 (or 1311 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 31460112 is about 5608.9314490373. The cubic root of 31460112 is about 315.6846183103.
Adding to 31460112 its reverse (21106413), we get a palindrome (52566525).
The spelling of 31460112 in words is "thirty-one million, four hundred sixty thousand, one hundred twelve".
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