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50381331 = 37111319883
BaseRepresentation
bin1100000000110…
…0001000010011
310111210122012020
43000030020103
5100344200311
64555502523
71151143230
oct300141023
9114718166
1050381331
1126491270
1214a57a43
13a58cb50
146996787
154652c06
hex300c213

50381331 has 64 divisors (see below), whose sum is σ = 95047680. Its totient is φ = 22861440.

The previous prime is 50381327. The next prime is 50381341. The reversal of 50381331 is 13318305.

It is not a de Polignac number, because 50381331 - 22 = 50381327 is a prime.

It is a super-2 number, since 2×503813312 = 5076557026663122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50381311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56616 + ... + 57498.

It is an arithmetic number, because the mean of its divisors is an integer number (1485120).

Almost surely, 250381331 is an apocalyptic number.

50381331 is a deficient number, since it is larger than the sum of its proper divisors (44666349).

50381331 is a wasteful number, since it uses less digits than its factorization.

50381331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

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

The square root of 50381331 is about 7097.9807692047. The cubic root of 50381331 is about 369.3373359233.

Adding to 50381331 its reverse (13318305), we get a palindrome (63699636).

The spelling of 50381331 in words is "fifty million, three hundred eighty-one thousand, three hundred thirty-one".

Divisors: 1 3 7 11 13 19 21 33 39 57 77 91 133 143 209 231 247 273 399 429 627 741 883 1001 1463 1729 2649 2717 3003 4389 5187 6181 8151 9713 11479 16777 18543 19019 29139 34437 50331 57057 67991 80353 117439 126269 184547 203973 218101 241059 352317 378807 553641 654303 883883 1291829 1526707 2399111 2651649 3875487 4580121 7197333 16793777 50381331