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50016660 = 22355971199
BaseRepresentation
bin1011111011001…
…1000110010100
310111010002221220
42332303012110
5100301013120
64544010340
71145064111
oct276630624
9114102856
1050016660
1126262291
12149009b0
13a492b75
1468dd908
1545ceb40
hex2fb3194

50016660 has 96 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 12862080.

The previous prime is 50016649. The next prime is 50016661. The reversal of 50016660 is 6661005.

It is a self number, because there is not a number n which added to its sum of digits gives 50016660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50016661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251241 + ... + 251439.

It is an arithmetic number, because the mean of its divisors is an integer number (1512000).

Almost surely, 250016660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50016660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

50016660 is an abundant number, since it is smaller than the sum of its proper divisors (95135340).

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

50016660 is a wasteful number, since it uses less digits than its factorization.

50016660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 50016660 is about 7072.2457536486. The cubic root of 50016660 is about 368.4440626302. Note that the first 3 decimals are identical.

Adding to 50016660 its reverse (6661005), we get a palindrome (56677665).

The spelling of 50016660 in words is "fifty million, sixteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 71 118 142 177 199 213 236 284 295 354 355 398 426 590 597 708 710 796 852 885 995 1065 1180 1194 1420 1770 1990 2130 2388 2985 3540 3980 4189 4260 5970 8378 11741 11940 12567 14129 16756 20945 23482 25134 28258 35223 41890 42387 46964 50268 56516 58705 62835 70446 70645 83780 84774 117410 125670 140892 141290 169548 176115 211935 234820 251340 282580 352230 423870 704460 833611 847740 1667222 2500833 3334444 4168055 5001666 8336110 10003332 12504165 16672220 25008330 50016660