Base | Representation |
---|---|
bin | 1101101101101… |
… | …11110000110000 |
3 | 22000111000110111 |
4 | 12312313300300 |
5 | 213423004342 |
6 | 15225511104 |
7 | 2564613241 |
oct | 666676060 |
9 | 260430414 |
10 | 115047472 |
11 | 59a39961 |
12 | 32642494 |
13 | 1aab1937 |
14 | 113cacc8 |
15 | a178217 |
hex | 6db7c30 |
115047472 has 40 divisors (see below), whose sum is σ = 233913600. Its totient is φ = 54711360.
The previous prime is 115047461. The next prime is 115047473. The reversal of 115047472 is 274740511.
It is not an unprimeable number, because it can be changed into a prime (115047473) 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, 72447 + ... + 74017.
It is an arithmetic number, because the mean of its divisors is an integer number (5847840).
Almost surely, 2115047472 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 115047472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116956800).
115047472 is an abundant number, since it is smaller than the sum of its proper divisors (118866128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115047472 is a wasteful number, since it uses less digits than its factorization.
115047472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1801 (or 1795 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 31.
The square root of 115047472 is about 10726.0184598014. The cubic root of 115047472 is about 486.3613180154.
Adding to 115047472 its reverse (274740511), we get a palindrome (389787983).
The spelling of 115047472 in words is "one hundred fifteen million, forty-seven thousand, four hundred seventy-two".
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