Base | Representation |
---|---|
bin | 1101110000110… |
… | …00011011100110 |
3 | 22001020010121121 |
4 | 12320120123212 |
5 | 214023142210 |
6 | 15242204154 |
7 | 2601152524 |
oct | 670303346 |
9 | 261203547 |
10 | 115443430 |
11 | 5a18a3a3 |
12 | 327b365a |
13 | 1abbcc2b |
14 | 11491314 |
15 | a2056da |
hex | 6e186e6 |
115443430 has 64 divisors (see below), whose sum is σ = 234524160. Its totient is φ = 40656384.
The previous prime is 115443409. The next prime is 115443431. The reversal of 115443430 is 34344511.
It is a junction number, because it is equal to n+sod(n) for n = 115443395 and 115443404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115443431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332517 + ... + 332863.
It is an arithmetic number, because the mean of its divisors is an integer number (3664440).
Almost surely, 2115443430 is an apocalyptic number.
115443430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
115443430 is an abundant number, since it is smaller than the sum of its proper divisors (119080730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115443430 is a wasteful number, since it uses less digits than its factorization.
115443430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 115443430 is about 10744.4604331721. The cubic root of 115443430 is about 486.9186477875.
Adding to 115443430 its reverse (34344511), we get a palindrome (149787941).
The spelling of 115443430 in words is "one hundred fifteen million, four hundred forty-three thousand, four hundred thirty".
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