Base | Representation |
---|---|
bin | 1011010011101… |
… | …0100011010011 |
3 | 10022020110220011 |
4 | 2310322203103 |
5 | 44120110442 |
6 | 4412255351 |
7 | 1114053325 |
oct | 264724323 |
9 | 108213804 |
10 | 47425747 |
11 | 24852736 |
12 | 13a71557 |
13 | 9a96795 |
14 | 6427615 |
15 | 426c117 |
hex | 2d3a8d3 |
47425747 has 8 divisors (see below), whose sum is σ = 49579776. Its totient is φ = 45279432.
The previous prime is 47425727. The next prime is 47425771. The reversal of 47425747 is 74752474.
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 47425747 - 211 = 47423699 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47425727) 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, 13288 + ... + 16474.
It is an arithmetic number, because the mean of its divisors is an integer number (6197472).
Almost surely, 247425747 is an apocalyptic number.
47425747 is a deficient number, since it is larger than the sum of its proper divisors (2154029).
47425747 is a wasteful number, since it uses less digits than its factorization.
47425747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3857.
The product of its digits is 219520, while the sum is 40.
The square root of 47425747 is about 6886.6353903775. The cubic root of 47425747 is about 361.9690128436.
The spelling of 47425747 in words is "forty-seven million, four hundred twenty-five thousand, seven hundred forty-seven".
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