Base | Representation |
---|---|
bin | 1101101111001… |
… | …11010010010010 |
3 | 22000211220111001 |
4 | 12313213102102 |
5 | 214000222010 |
6 | 15234012214 |
7 | 2566353613 |
oct | 667472222 |
9 | 260756431 |
10 | 115242130 |
11 | 5a062133 |
12 | 3271706a |
13 | 1ab4c413 |
14 | 1143bc0a |
15 | a1b5c3a |
hex | 6de7492 |
115242130 has 8 divisors (see below), whose sum is σ = 207435852. Its totient is φ = 46096848.
The previous prime is 115242109. The next prime is 115242137. The reversal of 115242130 is 31242511.
It can be written as a sum of positive squares in 2 ways, for example, as 108805761 + 6436369 = 10431^2 + 2537^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 115242098 and 115242107.
It is not an unprimeable number, because it can be changed into a prime (115242137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762097 + ... + 5762116.
Almost surely, 2115242130 is an apocalyptic number.
115242130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115242130 is a deficient number, since it is larger than the sum of its proper divisors (92193722).
115242130 is a wasteful number, since it uses less digits than its factorization.
115242130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11524220.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 115242130 is about 10735.0887280916. The cubic root of 115242130 is about 486.6354679652.
Adding to 115242130 its reverse (31242511), we get a palindrome (146484641).
The spelling of 115242130 in words is "one hundred fifteen million, two hundred forty-two thousand, one hundred thirty".
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