Base | Representation |
---|---|
bin | 1011010101011… |
… | …0010010110100 |
3 | 10022110020202210 |
4 | 2311112102310 |
5 | 44132230010 |
6 | 4414533420 |
7 | 1115035530 |
oct | 265262264 |
9 | 108406683 |
10 | 47539380 |
11 | 24920049 |
12 | 13b07270 |
13 | 9b06415 |
14 | 6456bc0 |
15 | 4290b20 |
hex | 2d564b4 |
47539380 has 48 divisors (see below), whose sum is σ = 152127360. Its totient is φ = 10866048.
The previous prime is 47539333. The next prime is 47539397. The reversal of 47539380 is 8393574.
47539380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56175 + ... + 57014.
It is an arithmetic number, because the mean of its divisors is an integer number (3169320).
Almost surely, 247539380 is an apocalyptic number.
It is an amenable number.
47539380 is an abundant number, since it is smaller than the sum of its proper divisors (104587980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47539380 is a wasteful number, since it uses less digits than its factorization.
47539380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113208 (or 113206 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 47539380 is about 6894.8807096280. The cubic root of 47539380 is about 362.2578771587.
The spelling of 47539380 in words is "forty-seven million, five hundred thirty-nine thousand, three hundred eighty".
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