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50221317 = 3157106627
BaseRepresentation
bin1011111110010…
…1000100000101
310111111111200210
42333211010011
5100324040232
64552230033
71146605556
oct277450405
9114444623
1050221317
1126392023
121499b319
13a535073
14695432d
1546205cc
hex2fe5105

50221317 has 8 divisors (see below), whose sum is σ = 67388896. Its totient is φ = 33267312.

The previous prime is 50221231. The next prime is 50221319. The reversal of 50221317 is 71312205.

50221317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50221317 - 212 = 50217221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50221293 and 50221302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52843 + ... + 53784.

It is an arithmetic number, because the mean of its divisors is an integer number (8423612).

Almost surely, 250221317 is an apocalyptic number.

It is an amenable number.

50221317 is a deficient number, since it is larger than the sum of its proper divisors (17167579).

50221317 is a wasteful number, since it uses less digits than its factorization.

50221317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106787.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 50221317 is about 7086.7000077610. The cubic root of 50221317 is about 368.9459090372.

The spelling of 50221317 in words is "fifty million, two hundred twenty-one thousand, three hundred seventeen".

Divisors: 1 3 157 471 106627 319881 16740439 50221317