Base | Representation |
---|---|
bin | 1011111110010… |
… | …0111111001101 |
3 | 10111111111021020 |
4 | 2333210333031 |
5 | 100324033010 |
6 | 4552224353 |
7 | 1146604632 |
oct | 277447715 |
9 | 114444236 |
10 | 50221005 |
11 | 2639186a |
12 | 1499b0b9 |
13 | a534b93 |
14 | 6954189 |
15 | 4620470 |
hex | 2fe4fcd |
50221005 has 8 divisors (see below), whose sum is σ = 80353632. Its totient is φ = 26784528.
The previous prime is 50221001. The next prime is 50221019. The reversal of 50221005 is 50012205.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50221005 - 22 = 50221001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 3348067 = 50221005 / (5 + 0 + 2 + 2 + 1 + 0 + 0 + 5).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50221001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674019 + ... + 1674048.
It is an arithmetic number, because the mean of its divisors is an integer number (10044204).
Almost surely, 250221005 is an apocalyptic number.
It is an amenable number.
50221005 is a deficient number, since it is larger than the sum of its proper divisors (30132627).
50221005 is a wasteful number, since it uses less digits than its factorization.
50221005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3348075.
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 50221005 is about 7086.6779946601. The cubic root of 50221005 is about 368.9451450100.
The spelling of 50221005 in words is "fifty million, two hundred twenty-one thousand, five".
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