Base | Representation |
---|---|
bin | 1011111111001… |
… | …1000111100111 |
3 | 10111121102200000 |
4 | 2333303013213 |
5 | 100332411022 |
6 | 4553352343 |
7 | 1150235451 |
oct | 277630747 |
9 | 114542600 |
10 | 50278887 |
11 | 264212aa |
12 | 14a086b3 |
13 | a555329 |
14 | 696b2d1 |
15 | 46326ac |
hex | 2ff31e7 |
50278887 has 12 divisors (see below), whose sum is σ = 75315240. Its totient is φ = 33519096.
The previous prime is 50278867. The next prime is 50278889. The reversal of 50278887 is 78887205.
It is a happy number.
It is not a de Polignac number, because 50278887 - 210 = 50277863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50278889) 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, 103212 + ... + 103697.
It is an arithmetic number, because the mean of its divisors is an integer number (6276270).
Almost surely, 250278887 is an apocalyptic number.
50278887 is a deficient number, since it is larger than the sum of its proper divisors (25036353).
50278887 is an equidigital number, since it uses as much as digits as its factorization.
50278887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206924 (or 206912 counting only the distinct ones).
The product of its (nonzero) digits is 250880, while the sum is 45.
The square root of 50278887 is about 7090.7606785168. The cubic root of 50278887 is about 369.0868326287.
The spelling of 50278887 in words is "fifty million, two hundred seventy-eight thousand, eight hundred eighty-seven".
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