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50421605 = 5131634759
BaseRepresentation
bin1100000001010…
…1111101100101
310111212200102212
43000111331211
5100401442410
65000413205
71151401523
oct300257545
9114780385
1050421605
1126509553
1214a77205
13a5a5290
1469a7313
15465eb05
hex3015f65

50421605 has 16 divisors (see below), whose sum is σ = 65573760. Its totient is φ = 36998208.

The previous prime is 50421599. The next prime is 50421641. The reversal of 50421605 is 50612405.

50421605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50421605 - 212 = 50417509 is a prime.

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, 8216 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (4098360).

Almost surely, 250421605 is an apocalyptic number.

It is an amenable number.

50421605 is a deficient number, since it is larger than the sum of its proper divisors (15152155).

50421605 is a wasteful number, since it uses less digits than its factorization.

50421605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 50421605 is about 7100.8172064911. The cubic root of 50421605 is about 369.4357237574.

The spelling of 50421605 in words is "fifty million, four hundred twenty-one thousand, six hundred five".

Divisors: 1 5 13 65 163 815 2119 4759 10595 23795 61867 309335 775717 3878585 10084321 50421605