Base | Representation |
---|---|
bin | 1100001010000… |
… | …1010000001101 |
3 | 10112221200001211 |
4 | 3002201100031 |
5 | 101023222031 |
6 | 5020534421 |
7 | 1156266064 |
oct | 302412015 |
9 | 115850054 |
10 | 50992141 |
11 | 26869172 |
12 | 150b1411 |
13 | a744b85 |
14 | 6ab51db |
15 | 4723bb1 |
hex | 30a140d |
50992141 has 4 divisors (see below), whose sum is σ = 51190812. Its totient is φ = 50793472.
The previous prime is 50992093. The next prime is 50992147. The reversal of 50992141 is 14129905.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14129905 = 5 ⋅2825981.
It can be written as a sum of positive squares in 2 ways, for example, as 37822500 + 13169641 = 6150^2 + 3629^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-50992141 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 (50992147) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98950 + ... + 99463.
It is an arithmetic number, because the mean of its divisors is an integer number (12797703).
Almost surely, 250992141 is an apocalyptic number.
It is an amenable number.
50992141 is a deficient number, since it is larger than the sum of its proper divisors (198671).
50992141 is a wasteful number, since it uses less digits than its factorization.
50992141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198670.
The product of its (nonzero) digits is 3240, while the sum is 31.
The square root of 50992141 is about 7140.8781672845. The cubic root of 50992141 is about 370.8239272229.
The spelling of 50992141 in words is "fifty million, nine hundred ninety-two thousand, one hundred forty-one".
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