Base | Representation |
---|---|
bin | 1011010000000… |
… | …1101111111101 |
3 | 10021210122202001 |
4 | 2310001233331 |
5 | 44040134320 |
6 | 4403302301 |
7 | 1112064112 |
oct | 264015775 |
9 | 107718661 |
10 | 47193085 |
11 | 24703955 |
12 | 1397a991 |
13 | 9a14904 |
14 | 63a6909 |
15 | 422320a |
hex | 2d01bfd |
47193085 has 4 divisors (see below), whose sum is σ = 56631708. Its totient is φ = 37754464.
The previous prime is 47193023. The next prime is 47193089. The reversal of 47193085 is 58039174.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27426169 + 19766916 = 5237^2 + 4446^2 .
It is a cyclic number.
It is not a de Polignac number, because 47193085 - 217 = 47062013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47193089) 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, 4719304 + ... + 4719313.
It is an arithmetic number, because the mean of its divisors is an integer number (14157927).
Almost surely, 247193085 is an apocalyptic number.
It is an amenable number.
47193085 is a deficient number, since it is larger than the sum of its proper divisors (9438623).
47193085 is an equidigital number, since it uses as much as digits as its factorization.
47193085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9438622.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 47193085 is about 6869.7223379115. The cubic root of 47193085 is about 361.3761244292.
The spelling of 47193085 in words is "forty-seven million, one hundred ninety-three thousand, eighty-five".
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