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50112216 = 233371123131
BaseRepresentation
bin1011111100101…
…0011011011000
310111021222001000
42333022123120
5100312042331
64550025000
71145642520
oct277123330
9114258030
1050112216
1126318060
1214948160
13a4c74cb
146926680
1545ed0e6
hex2fca6d8

50112216 has 256 divisors, whose sum is σ = 182476800. Its totient is φ = 12355200.

The previous prime is 50112169. The next prime is 50112229. The reversal of 50112216 is 61221105.

It is a super-2 number, since 2×501122162 = 5022468384861312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382471 + ... + 382601.

It is an arithmetic number, because the mean of its divisors is an integer number (712800).

Almost surely, 250112216 is an apocalyptic number.

50112216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50112216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91238400).

50112216 is an abundant number, since it is smaller than the sum of its proper divisors (132364584).

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

50112216 is a wasteful number, since it uses less digits than its factorization.

50112216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 50112216 is about 7078.9982342137. The cubic root of 50112216 is about 368.6785487913.

Subtracting 50112216 from its reverse (61221105), we obtain a square (11108889 = 33332).

It can be divided in two parts, 5011 and 2216, that added together give a palindrome (7227).

The spelling of 50112216 in words is "fifty million, one hundred twelve thousand, two hundred sixteen".