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50116660 = 225111072129
BaseRepresentation
bin1011111100101…
…1100000110100
310111022012010121
42333023200310
5100312213120
64550101324
71145661466
oct277134064
9114265117
1050116660
1126320430
121494a844
13a4c9539
146928136
1545ee5aa
hex2fcb834

50116660 has 48 divisors (see below), whose sum is σ = 115940160. Its totient is φ = 18045440.

The previous prime is 50116639. The next prime is 50116667. The reversal of 50116660 is 6661105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50116667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22476 + ... + 24604.

It is an arithmetic number, because the mean of its divisors is an integer number (2415420).

Almost surely, 250116660 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 50116660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57970080).

50116660 is an abundant number, since it is smaller than the sum of its proper divisors (65823500).

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

50116660 is a wasteful number, since it uses less digits than its factorization.

50116660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 50116660 is about 7079.3121134754. The cubic root of 50116660 is about 368.6894467265.

Adding to 50116660 its reverse (6661105), we get a palindrome (56777765).

It can be divided in two parts, 501 and 16660, that added together give a square (17161 = 1312).

The spelling of 50116660 in words is "fifty million, one hundred sixteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 107 110 214 220 428 535 1070 1177 2129 2140 2354 4258 4708 5885 8516 10645 11770 21290 23419 23540 42580 46838 93676 117095 227803 234190 455606 468380 911212 1139015 2278030 2505833 4556060 5011666 10023332 12529165 25058330 50116660