Base | Representation |
---|---|
bin | 1011111110010… |
… | …1100010110111 |
3 | 10111111121101202 |
4 | 2333211202313 |
5 | 100324121122 |
6 | 4552243115 |
7 | 1146614402 |
oct | 277454267 |
9 | 114447352 |
10 | 50223287 |
11 | 26393554 |
12 | 149a049b |
13 | a535c2a |
14 | 6954d39 |
15 | 4620e92 |
hex | 2fe58b7 |
50223287 has 6 divisors (see below), whose sum is σ = 53351688. Its totient is φ = 47268704.
The previous prime is 50223263. The next prime is 50223301. The reversal of 50223287 is 78232205.
It is a de Polignac number, because none of the positive numbers 2k-50223287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50223247) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 86603 + ... + 87180.
It is an arithmetic number, because the mean of its divisors is an integer number (8891948).
Almost surely, 250223287 is an apocalyptic number.
50223287 is a deficient number, since it is larger than the sum of its proper divisors (3128401).
50223287 is a wasteful number, since it uses less digits than its factorization.
50223287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173817 (or 173800 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 50223287 is about 7086.8389991589. The cubic root of 50223287 is about 368.9507331105.
The spelling of 50223287 in words is "fifty million, two hundred twenty-three thousand, two hundred eighty-seven".
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