Base | Representation |
---|---|
bin | 1101101110010… |
… | …10100000100000 |
3 | 22000121220210100 |
4 | 12313022200200 |
5 | 213432434011 |
6 | 15231302400 |
7 | 2565353142 |
oct | 667124040 |
9 | 260556710 |
10 | 115124256 |
11 | 59a91615 |
12 | 3267aa00 |
13 | 1ab0a880 |
14 | 1140ac92 |
15 | a190d56 |
hex | 6dca820 |
115124256 has 144 divisors (see below), whose sum is σ = 357326424. Its totient is φ = 34947072.
The previous prime is 115124231. The next prime is 115124311. The reversal of 115124256 is 652421511.
It can be written as a sum of positive squares in 4 ways, for example, as 45968400 + 69155856 = 6780^2 + 8316^2 .
It is a tau number, because it is divible by the number of its divisors (144).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 363010 + ... + 363326.
Almost surely, 2115124256 is an apocalyptic number.
115124256 is a gapful number since it is divisible by the number (16) 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 115124256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178663212).
115124256 is an abundant number, since it is smaller than the sum of its proper divisors (242202168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115124256 is a wasteful number, since it uses less digits than its factorization.
115124256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443 (or 432 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 115124256 is about 10729.5971965400. The cubic root of 115124256 is about 486.4694949901.
Adding to 115124256 its reverse (652421511), we get a palindrome (767545767).
The spelling of 115124256 in words is "one hundred fifteen million, one hundred twenty-four thousand, two hundred fifty-six".
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