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50220005 = 5111396569
BaseRepresentation
bin1011111110010…
…0101111100101
310111111102220012
42333210233211
5100324020010
64552220005
71146602003
oct277445745
9114442805
1050220005
1126391040
121499a605
13a5345a4
146953a73
154620005
hex2fe4be5

50220005 has 16 divisors (see below), whose sum is σ = 66225600. Its totient is φ = 36255360.

The previous prime is 50219999. The next prime is 50220007. The reversal of 50220005 is 50002205.

It is not a de Polignac number, because 50220005 - 224 = 33442789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220007) 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 15 ways as a sum of consecutive naturals, for example, 4361 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (4139100).

Almost surely, 250220005 is an apocalyptic number.

50220005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50220005 is a deficient number, since it is larger than the sum of its proper divisors (16005595).

50220005 is a wasteful number, since it uses less digits than its factorization.

50220005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 50220005 is about 7086.6074393888. The cubic root of 50220005 is about 368.9426961834.

The spelling of 50220005 in words is "fifty million, two hundred twenty thousand, five".

Divisors: 1 5 11 55 139 695 1529 6569 7645 32845 72259 361295 913091 4565455 10044001 50220005