Base | Representation |
---|---|
bin | 1011111110001… |
… | …0111001011101 |
3 | 10111111001112012 |
4 | 2333202321131 |
5 | 100323244240 |
6 | 4552121005 |
7 | 1146540653 |
oct | 277427135 |
9 | 114431465 |
10 | 50212445 |
11 | 26386398 |
12 | 14996165 |
13 | a53100a |
14 | 6950dd3 |
15 | 461cb65 |
hex | 2fe2e5d |
50212445 has 4 divisors (see below), whose sum is σ = 60254940. Its totient is φ = 40169952.
The previous prime is 50212439. The next prime is 50212447. The reversal of 50212445 is 54421205.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54421205 = 5 ⋅10884241.
It can be written as a sum of positive squares in 2 ways, for example, as 21771556 + 28440889 = 4666^2 + 5333^2 .
It is a cyclic number.
It is not a de Polignac number, because 50212445 - 24 = 50212429 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 50212445.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50212447) 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 3 ways as a sum of consecutive naturals, for example, 5021240 + ... + 5021249.
It is an arithmetic number, because the mean of its divisors is an integer number (15063735).
Almost surely, 250212445 is an apocalyptic number.
It is an amenable number.
50212445 is a deficient number, since it is larger than the sum of its proper divisors (10042495).
50212445 is a wasteful number, since it uses less digits than its factorization.
50212445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10042494.
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 50212445 is about 7086.0740188062. The cubic root of 50212445 is about 368.9241820027.
The spelling of 50212445 in words is "fifty million, two hundred twelve thousand, four hundred forty-five".
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