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538850220 = 223510982393
BaseRepresentation
bin100000000111100…
…011001110101100
31101112221102112120
4200013203032230
52100421201340
6125245232540
716232102616
oct4007431654
91345842476
10538850220
11257192167
12130562750
13878384ac
14517c9db6
153248e4d0
hex201e33ac

538850220 has 48 divisors (see below), whose sum is σ = 1522641120. Its totient is φ = 142373376.

The previous prime is 538850209. The next prime is 538850227. The reversal of 538850220 is 22058835.

It is not an unprimeable number, because it can be changed into a prime (538850227) 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 15 ways as a sum of consecutive naturals, for example, 34657 + ... + 47736.

It is an arithmetic number, because the mean of its divisors is an integer number (31721690).

Almost surely, 2538850220 is an apocalyptic number.

It is an amenable number.

538850220 is an abundant number, since it is smaller than the sum of its proper divisors (983790900).

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

538850220 is a wasteful number, since it uses less digits than its factorization.

538850220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82514 (or 82512 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 538850220 is about 23213.1475677040. The cubic root of 538850220 is about 813.7469144600.

The spelling of 538850220 in words is "five hundred thirty-eight million, eight hundred fifty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 82393 164786 247179 329572 411965 494358 823930 988716 1235895 1647860 2471790 4943580 8980837 17961674 26942511 35923348 44904185 53885022 89808370 107770044 134712555 179616740 269425110 538850220