Base | Representation |
---|---|
bin | 1011011001110… |
… | …0111110101011 |
3 | 10022222221221000 |
4 | 2312130332223 |
5 | 44221011112 |
6 | 4425050043 |
7 | 1120352610 |
oct | 266347653 |
9 | 108887830 |
10 | 47828907 |
11 | 24aa8625 |
12 | 14026923 |
13 | 9ba8139 |
14 | 64d0507 |
15 | 42eb7dc |
hex | 2d9cfab |
47828907 has 16 divisors (see below), whose sum is σ = 80980480. Its totient is φ = 27330696.
The previous prime is 47828903. The next prime is 47828923. The reversal of 47828907 is 70982874.
It is not a de Polignac number, because 47828907 - 22 = 47828903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47828903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126343 + ... + 126720.
It is an arithmetic number, because the mean of its divisors is an integer number (5061280).
Almost surely, 247828907 is an apocalyptic number.
47828907 is a deficient number, since it is larger than the sum of its proper divisors (33151573).
47828907 is a wasteful number, since it uses less digits than its factorization.
47828907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253079 (or 253073 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The square root of 47828907 is about 6915.8446338824. The cubic root of 47828907 is about 362.9918036535.
It can be divided in two parts, 4782 and 8907, that added together give a square (13689 = 1172).
The spelling of 47828907 in words is "forty-seven million, eight hundred twenty-eight thousand, nine hundred seven".
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