Base | Representation |
---|---|
bin | 1101101111100… |
… | …01111110111011 |
3 | 22000221010120220 |
4 | 12313301332323 |
5 | 214003122242 |
6 | 15234551123 |
7 | 2566625430 |
oct | 667617673 |
9 | 260833526 |
10 | 115285947 |
11 | 5a092047 |
12 | 327384a3 |
13 | 1ab6634a |
14 | 1144db87 |
15 | a1c3bec |
hex | 6df1fbb |
115285947 has 8 divisors (see below), whose sum is σ = 175673856. Its totient is φ = 65877672.
The previous prime is 115285909. The next prime is 115285957. The reversal of 115285947 is 749582511.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 115285947 - 28 = 115285691 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 115285899 and 115285908.
It is not an unprimeable number, because it can be changed into a prime (115285957) 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, 2744883 + ... + 2744924.
It is an arithmetic number, because the mean of its divisors is an integer number (21959232).
Almost surely, 2115285947 is an apocalyptic number.
115285947 is a deficient number, since it is larger than the sum of its proper divisors (60387909).
115285947 is an equidigital number, since it uses as much as digits as its factorization.
115285947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5489817.
The product of its digits is 100800, while the sum is 42.
The square root of 115285947 is about 10737.1293649653. The cubic root of 115285947 is about 486.6971358188.
The spelling of 115285947 in words is "one hundred fifteen million, two hundred eighty-five thousand, nine hundred forty-seven".
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