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50016220 = 2258928099
BaseRepresentation
bin1011111011001…
…0111111011100
310111010002100121
42332302333130
5100301004340
64544004324
71145062612
oct276627734
9114102317
1050016220
1126261a21
12149006a4
13a4928c7
1468dd6b2
1545ce94a
hex2fb2fdc

50016220 has 24 divisors (see below), whose sum is σ = 106218000. Its totient is φ = 19780992.

The previous prime is 50016209. The next prime is 50016221. The reversal of 50016220 is 2261005.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50016194 and 50016203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50016221) 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, 12270 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (4425750).

Almost surely, 250016220 is an apocalyptic number.

It is an amenable number.

50016220 is an abundant number, since it is smaller than the sum of its proper divisors (56201780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50016220 is a wasteful number, since it uses less digits than its factorization.

50016220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28197 (or 28195 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50016220 is about 7072.2146460638. The cubic root of 50016220 is about 368.4429822177.

Adding to 50016220 its reverse (2261005), we get a palindrome (52277225).

The spelling of 50016220 in words is "fifty million, sixteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 28099 56198 112396 140495 280990 561980 2500811 5001622 10003244 12504055 25008110 50016220