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50220142 = 2717792671
BaseRepresentation
bin1011111110010…
…0110001101110
310111111110002021
42333210301232
5100324021032
64552220354
71146602260
oct277446156
9114443067
1050220142
1126391155
121499a6ba
13a53467b
146953b30
154620097
hex2fe4c6e

50220142 has 32 divisors (see below), whose sum is σ = 92344320. Its totient is φ = 19992960.

The previous prime is 50220133. The next prime is 50220143. The reversal of 50220142 is 24102205.

It is a super-3 number, since 3×502201423 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220143) 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, 17467 + ... + 20137.

It is an arithmetic number, because the mean of its divisors is an integer number (2885760).

Almost surely, 250220142 is an apocalyptic number.

50220142 is a deficient number, since it is larger than the sum of its proper divisors (42124178).

50220142 is a wasteful number, since it uses less digits than its factorization.

50220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50220142 is about 7086.6171055025. The cubic root of 50220142 is about 368.9430316746.

Adding to 50220142 its reverse (24102205), we get a palindrome (74322347).

The spelling of 50220142 in words is "fifty million, two hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 7 14 17 34 79 119 158 238 553 1106 1343 2671 2686 5342 9401 18697 18802 37394 45407 90814 211009 317849 422018 635698 1477063 2954126 3587153 7174306 25110071 50220142