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50438605 = 5767137157
BaseRepresentation
bin1100000001101…
…0000111001101
310111220112202111
43000122013031
5100403013410
65001024021
71151502220
oct300320715
9114815674
1050438605
11265202a8
1214a85011
13a5acc39
1469ad5b7
154664b8a
hex301a1cd

50438605 has 32 divisors (see below), whose sum is σ = 71168256. Its totient is φ = 33606144.

The previous prime is 50438603. The next prime is 50438611. The reversal of 50438605 is 50683405.

It is a cyclic number.

It is not a de Polignac number, because 50438605 - 21 = 50438603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50438603) 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 31 ways as a sum of consecutive naturals, for example, 321187 + ... + 321343.

It is an arithmetic number, because the mean of its divisors is an integer number (2224008).

Almost surely, 250438605 is an apocalyptic number.

It is an amenable number.

50438605 is a deficient number, since it is larger than the sum of its proper divisors (20729651).

50438605 is a wasteful number, since it uses less digits than its factorization.

50438605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 50438605 is about 7102.0141509293. The cubic root of 50438605 is about 369.4772383793.

The spelling of 50438605 in words is "fifty million, four hundred thirty-eight thousand, six hundred five".

Divisors: 1 5 7 35 67 137 157 335 469 685 785 959 1099 2345 4795 5495 9179 10519 21509 45895 52595 64253 73633 107545 150563 321265 368165 752815 1441103 7205515 10087721 50438605