Base | Representation |
---|---|
bin | 1011010000001… |
… | …0011011111001 |
3 | 10021210210121012 |
4 | 2310002123321 |
5 | 44040232042 |
6 | 4403323305 |
7 | 1112105240 |
oct | 264023371 |
9 | 107723535 |
10 | 47195897 |
11 | 24705a81 |
12 | 13980535 |
13 | 9a15c88 |
14 | 63a7957 |
15 | 4223e82 |
hex | 2d026f9 |
47195897 has 8 divisors (see below), whose sum is σ = 55192896. Its totient is φ = 39512592.
The previous prime is 47195873. The next prime is 47195903. The reversal of 47195897 is 79859174.
47195897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47195897 - 214 = 47179513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47195807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78098 + ... + 78699.
It is an arithmetic number, because the mean of its divisors is an integer number (6899112).
Almost surely, 247195897 is an apocalyptic number.
It is an amenable number.
47195897 is a deficient number, since it is larger than the sum of its proper divisors (7996999).
47195897 is a wasteful number, since it uses less digits than its factorization.
47195897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156847.
The product of its digits is 635040, while the sum is 50.
The square root of 47195897 is about 6869.9270010678. The cubic root of 47195897 is about 361.3833018189.
The spelling of 47195897 in words is "forty-seven million, one hundred ninety-five thousand, eight hundred ninety-seven".
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