Base | Representation |
---|---|
bin | 1011010011110… |
… | …1100011111011 |
3 | 10022021002210202 |
4 | 2310331203323 |
5 | 44121004300 |
6 | 4412432415 |
7 | 1114134266 |
oct | 264754373 |
9 | 108232722 |
10 | 47438075 |
11 | 24860a23 |
12 | 13a7870b |
13 | 9a9c289 |
14 | 642bcdd |
15 | 4270ad5 |
hex | 2d3d8fb |
47438075 has 36 divisors (see below), whose sum is σ = 65417688. Its totient is φ = 34003200.
The previous prime is 47438063. The next prime is 47438089. The reversal of 47438075 is 57083474.
It is not a de Polignac number, because 47438075 - 212 = 47433979 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 224720 + ... + 224930.
It is an arithmetic number, because the mean of its divisors is an integer number (1817158).
Almost surely, 247438075 is an apocalyptic number.
47438075 is a deficient number, since it is larger than the sum of its proper divisors (17979613).
47438075 is a wasteful number, since it uses less digits than its factorization.
47438075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284 (or 256 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 38.
The square root of 47438075 is about 6887.5303992070. The cubic root of 47438075 is about 362.0003739198. Note that the first 3 decimals are identical.
The spelling of 47438075 in words is "forty-seven million, four hundred thirty-eight thousand, seventy-five".
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