Base | Representation |
---|---|
bin | 1011010001010… |
… | …0111110111100 |
3 | 10021221122210221 |
4 | 2310110332330 |
5 | 44100144433 |
6 | 4405111124 |
7 | 1112542600 |
oct | 264247674 |
9 | 107848727 |
10 | 47271868 |
11 | 24758066 |
12 | 139b84a4 |
13 | 9a41727 |
14 | 63c7500 |
15 | 423b72d |
hex | 2d14fbc |
47271868 has 18 divisors (see below), whose sum is σ = 96232416. Its totient is φ = 20259288.
The previous prime is 47271863. The next prime is 47271899. The reversal of 47271868 is 86817274.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47271863) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120396 + ... + 120787.
Almost surely, 247271868 is an apocalyptic number.
It is an amenable number.
47271868 is an abundant number, since it is smaller than the sum of its proper divisors (48960548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47271868 is a wasteful number, since it uses less digits than its factorization.
47271868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241201 (or 241192 counting only the distinct ones).
The product of its digits is 150528, while the sum is 43.
The square root of 47271868 is about 6875.4540213720. The cubic root of 47271868 is about 361.5771035017.
The spelling of 47271868 in words is "forty-seven million, two hundred seventy-one thousand, eight hundred sixty-eight".
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