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50989385 = 519515227
BaseRepresentation
bin1100001010000…
…0100101001001
310112221112021202
43002200211021
5101023130020
65020513545
71156255046
oct302404511
9115845252
1050989385
1126867097
12150ab8b5
13a743845
146ab41cd
154722e75
hex30a0949

50989385 has 8 divisors (see below), whose sum is σ = 61230336. Its totient is φ = 40762800.

The previous prime is 50989343. The next prime is 50989391. The reversal of 50989385 is 58398905.

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

It is not a de Polignac number, because 50989385 - 214 = 50973001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7142 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (7653792).

Almost surely, 250989385 is an apocalyptic number.

It is an amenable number.

50989385 is a deficient number, since it is larger than the sum of its proper divisors (10240951).

50989385 is a wasteful number, since it uses less digits than its factorization.

50989385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 50989385 is about 7140.6851912124. The cubic root of 50989385 is about 370.8172463950.

The spelling of 50989385 in words is "fifty million, nine hundred eighty-nine thousand, three hundred eighty-five".

Divisors: 1 5 1951 5227 9755 26135 10197877 50989385