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50427021 = 317219767
BaseRepresentation
bin1100000001011…
…1010010001101
310111212221212110
43000113102031
5100402131041
65000454233
71151423361
oct300272215
9114787773
1050427021
1126512627
1214a7a379
13a5a7898
1469a92a1
154661516
hex301748d

50427021 has 8 divisors (see below), whose sum is σ = 67281984. Its totient is φ = 33595040.

The previous prime is 50427011. The next prime is 50427023. The reversal of 50427021 is 12072405.

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

It is a cyclic number.

It is not a de Polignac number, because 50427021 - 214 = 50410637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50427023) 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, 280 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (8410248).

Almost surely, 250427021 is an apocalyptic number.

It is an amenable number.

50427021 is a deficient number, since it is larger than the sum of its proper divisors (16854963).

50427021 is a wasteful number, since it uses less digits than its factorization.

50427021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 50427021 is about 7101.1985608065. The cubic root of 50427021 is about 369.4489508402.

Adding to 50427021 its reverse (12072405), we get a palindrome (62499426).

The spelling of 50427021 in words is "fifty million, four hundred twenty-seven thousand, twenty-one".

Divisors: 1 3 1721 5163 9767 29301 16809007 50427021