Base | Representation |
---|---|
bin | 111100000000… |
… | …0101100011000 |
3 | 2012012100011122 |
4 | 1320000230120 |
5 | 31023210440 |
6 | 3042144412 |
7 | 531256316 |
oct | 170005430 |
9 | 65170148 |
10 | 31460120 |
11 | 168384aa |
12 | a652108 |
13 | 6696773 |
14 | 426d0b6 |
15 | 2b667b5 |
hex | 1e00b18 |
31460120 has 32 divisors (see below), whose sum is σ = 72515520. Its totient is φ = 12276480.
The previous prime is 31460063. The next prime is 31460129. The reversal of 31460120 is 2106413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31460129) 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, 7952 + ... + 11231.
It is an arithmetic number, because the mean of its divisors is an integer number (2266110).
Almost surely, 231460120 is an apocalyptic number.
It is an amenable number.
31460120 is an abundant number, since it is smaller than the sum of its proper divisors (41055400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31460120 is a wasteful number, since it uses less digits than its factorization.
31460120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19235 (or 19231 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 31460120 is about 5608.9321621856. The cubic root of 31460120 is about 315.6846450688.
Adding to 31460120 its reverse (2106413), we get a palindrome (33566533).
The spelling of 31460120 in words is "thirty-one million, four hundred sixty thousand, one hundred twenty".
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