Base | Representation |
---|---|
bin | 1011011001011… |
… | …1111011001001 |
3 | 10022221220112010 |
4 | 2312113323021 |
5 | 44214330301 |
6 | 4424410133 |
7 | 1120235340 |
oct | 266277311 |
9 | 108856463 |
10 | 47808201 |
11 | 24a94011 |
12 | 14016949 |
13 | 9b9b89c |
14 | 64c6b57 |
15 | 42e55d6 |
hex | 2d97ec9 |
47808201 has 16 divisors (see below), whose sum is σ = 74046848. Its totient is φ = 26870400.
The previous prime is 47808151. The next prime is 47808209. The reversal of 47808201 is 10280874.
It is not a de Polignac number, because 47808201 - 221 = 45711049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47808209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17380 + ... + 19941.
It is an arithmetic number, because the mean of its divisors is an integer number (4627928).
Almost surely, 247808201 is an apocalyptic number.
It is an amenable number.
47808201 is a deficient number, since it is larger than the sum of its proper divisors (26238647).
47808201 is a wasteful number, since it uses less digits than its factorization.
47808201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37392.
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 47808201 is about 6914.3474746356. The cubic root of 47808201 is about 362.9394141842.
The spelling of 47808201 in words is "forty-seven million, eight hundred eight thousand, two hundred one".
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