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50426421 = 389188863
BaseRepresentation
bin1100000001011…
…1001000110101
310111212221001020
43000113020311
5100402121141
65000451353
71151421543
oct300271065
9114787036
1050426421
1126512131
1214a79b59
13a5a7526
1469a8d93
154661266
hex3017235

50426421 has 8 divisors (see below), whose sum is σ = 67991040. Its totient is φ = 33239712.

The previous prime is 50426413. The next prime is 50426423. The reversal of 50426421 is 12462405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50426421 - 23 = 50426413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50426391 and 50426400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50426423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94165 + ... + 94698.

It is an arithmetic number, because the mean of its divisors is an integer number (8498880).

Almost surely, 250426421 is an apocalyptic number.

It is an amenable number.

50426421 is a deficient number, since it is larger than the sum of its proper divisors (17564619).

50426421 is a wasteful number, since it uses less digits than its factorization.

50426421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188955.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 50426421 is about 7101.1563142914. The cubic root of 50426421 is about 369.4474855527.

Adding to 50426421 its reverse (12462405), we get a palindrome (62888826).

The spelling of 50426421 in words is "fifty million, four hundred twenty-six thousand, four hundred twenty-one".

Divisors: 1 3 89 267 188863 566589 16808807 50426421