Base | Representation |
---|---|
bin | 10010101010111… |
… | …001010010000000 |
3 | 210211101222001000 |
4 | 102222321102000 |
5 | 1120142001220 |
6 | 51025412000 |
7 | 10522310202 |
oct | 2252712200 |
9 | 724358030 |
10 | 313234560 |
11 | 1508a3841 |
12 | 88a9a000 |
13 | 4cb829c2 |
14 | 2d85a772 |
15 | 1c775390 |
hex | 12ab9480 |
313234560 has 128 divisors (see below), whose sum is σ = 1109433600. Its totient is φ = 83524608.
The previous prime is 313234541. The next prime is 313234567. The reversal of 313234560 is 65432313.
It is a happy number.
313234560 is a `hidden beast` number, since 313 + 2 + 345 + 6 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (313234567) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8217 + ... + 26343.
It is an arithmetic number, because the mean of its divisors is an integer number (8667450).
Almost surely, 2313234560 is an apocalyptic number.
313234560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 313234560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554716800).
313234560 is an abundant number, since it is smaller than the sum of its proper divisors (796199040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313234560 is a wasteful number, since it uses less digits than its factorization.
313234560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18155 (or 18137 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
The square root of 313234560 is about 17698.4338290144. The cubic root of 313234560 is about 679.1356954441.
Adding to 313234560 its reverse (65432313), we get a palindrome (378666873).
The spelling of 313234560 in words is "three hundred thirteen million, two hundred thirty-four thousand, five hundred sixty".
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