Base | Representation |
---|---|
bin | 1011001101100… |
… | …1100110100111 |
3 | 10021111022011202 |
4 | 2303121212213 |
5 | 44014404042 |
6 | 4355553115 |
7 | 1110510521 |
oct | 263314647 |
9 | 107438152 |
10 | 47028647 |
11 | 24601356 |
12 | 138bb79b |
13 | 9987b03 |
14 | 6362a11 |
15 | 41de632 |
hex | 2cd99a7 |
47028647 has 8 divisors (see below), whose sum is σ = 49920912. Its totient is φ = 44150400.
The previous prime is 47028637. The next prime is 47028659. The reversal of 47028647 is 74682074.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47028647 - 28 = 47028391 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47028647.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47028617) 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, 3872 + ... + 10442.
It is an arithmetic number, because the mean of its divisors is an integer number (6240114).
Almost surely, 247028647 is an apocalyptic number.
47028647 is a deficient number, since it is larger than the sum of its proper divisors (2892265).
47028647 is a wasteful number, since it uses less digits than its factorization.
47028647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7009.
The product of its (nonzero) digits is 75264, while the sum is 38.
The square root of 47028647 is about 6857.7435793415. The cubic root of 47028647 is about 360.9559137186.
The spelling of 47028647 in words is "forty-seven million, twenty-eight thousand, six hundred forty-seven".
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