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50981336 = 2375389193
BaseRepresentation
bin1100001001111…
…0100111011000
310112221010020122
43002132213120
5101022400321
65020412412
71156222430
oct302364730
9115833218
1050981336
112686103a
12150a7108
13a73cc93
146ab12c0
1547208ab
hex309e9d8

50981336 has 64 divisors (see below), whose sum is σ = 113140800. Its totient is φ = 21086208.

The previous prime is 50981321. The next prime is 50981423. The reversal of 50981336 is 63318905.

50981336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50981296 and 50981305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264056 + ... + 264248.

It is an arithmetic number, because the mean of its divisors is an integer number (1767825).

Almost surely, 250981336 is an apocalyptic number.

50981336 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 50981336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56570400).

50981336 is an abundant number, since it is smaller than the sum of its proper divisors (62159464).

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

50981336 is a wasteful number, since it uses less digits than its factorization.

50981336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 50981336 is about 7140.1215675925. The cubic root of 50981336 is about 370.7977334115.

The spelling of 50981336 in words is "fifty million, nine hundred eighty-one thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 53 56 89 106 178 193 212 356 371 386 424 623 712 742 772 1246 1351 1484 1544 2492 2702 2968 4717 4984 5404 9434 10229 10808 17177 18868 20458 33019 34354 37736 40916 66038 68708 71603 81832 120239 132076 137416 143206 240478 264152 286412 480956 572824 910381 961912 1820762 3641524 6372667 7283048 12745334 25490668 50981336