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50481636 = 223171311889
BaseRepresentation
bin1100000010010…
…0100111100100
310111222201210020
43000210213210
5100410403021
65001555140
71152041532
oct300444744
9114881706
1050481636
112654a667
1214aa5ab0
13a5c66ba
1469c1152
1546727c6
hex30249e4

50481636 has 48 divisors (see below), whose sum is σ = 125737920. Its totient is φ = 15708160.

The previous prime is 50481631. The next prime is 50481703. The reversal of 50481636 is 63618405.

It is a junction number, because it is equal to n+sod(n) for n = 50481597 and 50481606.

It is not an unprimeable number, because it can be changed into a prime (50481631) 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, 25780 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (2619540).

Almost surely, 250481636 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 50481636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62868960).

50481636 is an abundant number, since it is smaller than the sum of its proper divisors (75256284).

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

50481636 is a wasteful number, since it uses less digits than its factorization.

50481636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 50481636 is about 7105.0429977587. The cubic root of 50481636 is about 369.5822799829.

It can be divided in two parts, 5048 and 1636, that multiplied together give a palindrome (8258528).

The spelling of 50481636 in words is "fifty million, four hundred eighty-one thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 131 204 262 393 524 786 1572 1889 2227 3778 4454 5667 6681 7556 8908 11334 13362 22668 26724 32113 64226 96339 128452 192678 247459 385356 494918 742377 989836 1484754 2969508 4206803 8413606 12620409 16827212 25240818 50481636