Base | Representation |
---|---|
bin | 1011011001100… |
… | …1000110111001 |
3 | 10022222011011200 |
4 | 2312121012321 |
5 | 44220004144 |
6 | 4424444413 |
7 | 1120255434 |
oct | 266310671 |
9 | 108864150 |
10 | 47813049 |
11 | 24a97719 |
12 | 14019709 |
13 | 9ba0b5b |
14 | 64c881b |
15 | 42e6c69 |
hex | 2d991b9 |
47813049 has 12 divisors (see below), whose sum is σ = 70367076. Its totient is φ = 31273632.
The previous prime is 47813047. The next prime is 47813099. The reversal of 47813049 is 94031874.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 17640000 + 30173049 = 4200^2 + 5493^2 .
It is not a de Polignac number, because 47813049 - 21 = 47813047 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47813041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49642 + ... + 50595.
It is an arithmetic number, because the mean of its divisors is an integer number (5863923).
Almost surely, 247813049 is an apocalyptic number.
It is an amenable number.
47813049 is a deficient number, since it is larger than the sum of its proper divisors (22554027).
47813049 is a wasteful number, since it uses less digits than its factorization.
47813049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100296 (or 100293 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 47813049 is about 6914.6980411295. The cubic root of 47813049 is about 362.9516817503.
The spelling of 47813049 in words is "forty-seven million, eight hundred thirteen thousand, forty-nine".
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