Base | Representation |
---|---|
bin | 1100000111001… |
… | …0011000001110 |
3 | 10112120220200202 |
4 | 3001302120032 |
5 | 101001101032 |
6 | 5012453502 |
7 | 1154536241 |
oct | 301623016 |
9 | 115526622 |
10 | 50800142 |
11 | 26747998 |
12 | 1501a292 |
13 | a6a8673 |
14 | 6a65258 |
15 | 46d6d62 |
hex | 307260e |
50800142 has 4 divisors (see below), whose sum is σ = 76200216. Its totient is φ = 25400070.
The previous prime is 50800133. The next prime is 50800153. The reversal of 50800142 is 24100805.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24100805 = 5 ⋅4820161.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12700034 + ... + 12700037.
It is an arithmetic number, because the mean of its divisors is an integer number (19050054).
Almost surely, 250800142 is an apocalyptic number.
50800142 is a deficient number, since it is larger than the sum of its proper divisors (25400074).
50800142 is a wasteful number, since it uses less digits than its factorization.
50800142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25400073.
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 50800142 is about 7127.4218340154. The cubic root of 50800142 is about 370.3579248887.
Adding to 50800142 its reverse (24100805), we get a palindrome (74900947).
The spelling of 50800142 in words is "fifty million, eight hundred thousand, one hundred forty-two".
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