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50490306 = 23217165001
BaseRepresentation
bin1100000010011…
…0101111000010
310112000011200100
43000212233002
5100411142211
65002103230
71152106026
oct300465702
9115004610
1050490306
1126556129
1214aaab16
13a5ca629
1469c4386
154675156
hex3026bc2

50490306 has 24 divisors (see below), whose sum is σ = 115831404. Its totient is φ = 15840000.

The previous prime is 50490287. The next prime is 50490331. The reversal of 50490306 is 60309405.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49914225 + 576081 = 7065^2 + 759^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50490306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82195 + ... + 82806.

Almost surely, 250490306 is an apocalyptic number.

50490306 is an abundant number, since it is smaller than the sum of its proper divisors (65341098).

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

50490306 is a wasteful number, since it uses less digits than its factorization.

50490306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165026 (or 165023 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 50490306 is about 7105.6531015805. The cubic root of 50490306 is about 369.6034368180.

The spelling of 50490306 in words is "fifty million, four hundred ninety thousand, three hundred six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 165001 330002 495003 990006 1485009 2805017 2970018 5610034 8415051 16830102 25245153 50490306