Base | Representation |
---|---|
bin | 1011001101001… |
… | …0101000001001 |
3 | 10021102211222110 |
4 | 2303102220021 |
5 | 44013000243 |
6 | 4355212533 |
7 | 1110331311 |
oct | 263225011 |
9 | 107384873 |
10 | 47000073 |
11 | 2459193a |
12 | 138a7149 |
13 | 9977ac3 |
14 | 6356441 |
15 | 41d5e33 |
hex | 2cd2a09 |
47000073 has 8 divisors (see below), whose sum is σ = 63694336. Its totient is φ = 30819600.
The previous prime is 47000059. The next prime is 47000077. The reversal of 47000073 is 37000074.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47000073 - 214 = 46983689 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (47000077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128233 + ... + 128598.
It is an arithmetic number, because the mean of its divisors is an integer number (7961792).
Almost surely, 247000073 is an apocalyptic number.
It is an amenable number.
47000073 is a deficient number, since it is larger than the sum of its proper divisors (16694263).
47000073 is a wasteful number, since it uses less digits than its factorization.
47000073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256895.
The product of its (nonzero) digits is 588, while the sum is 21.
The square root of 47000073 is about 6855.6599244712. The cubic root of 47000073 is about 360.8827948537.
Subtracting from 47000073 its reverse (37000074), we obtain a palindrome (9999999).
The spelling of 47000073 in words is "forty-seven million, seventy-three", and thus it is an aban number and an uban number.
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