Base | Representation |
---|---|
bin | 1100000100101… |
… | …1110101011111 |
3 | 10112021220010200 |
4 | 3001023311133 |
5 | 100431023041 |
6 | 5005234543 |
7 | 1153311051 |
oct | 301136537 |
9 | 115256120 |
10 | 50642271 |
11 | 2664a319 |
12 | 14b62a53 |
13 | a651854 |
14 | 6a238d1 |
15 | 46a51b6 |
hex | 304bd5f |
50642271 has 12 divisors (see below), whose sum is σ = 73212048. Its totient is φ = 33732864.
The previous prime is 50642227. The next prime is 50642279. The reversal of 50642271 is 17224605.
It is not a de Polignac number, because 50642271 - 219 = 50117983 is a prime.
It is a super-2 number, since 2×506422712 = 5129279224074882, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50642279) 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, 17686 + ... + 20348.
It is an arithmetic number, because the mean of its divisors is an integer number (6101004).
Almost surely, 250642271 is an apocalyptic number.
50642271 is a deficient number, since it is larger than the sum of its proper divisors (22569777).
50642271 is a wasteful number, since it uses less digits than its factorization.
50642271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4782 (or 4779 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 50642271 is about 7116.3383140489. The cubic root of 50642271 is about 369.9738744641.
Adding to 50642271 its reverse (17224605), we get a palindrome (67866876).
The spelling of 50642271 in words is "fifty million, six hundred forty-two thousand, two hundred seventy-one".
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