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50989563 = 325665507
BaseRepresentation
bin1100001010000…
…0100111111011
310112221112112100
43002200213323
5101023131223
65020514443
71156255422
oct302404773
9115845470
1050989563
1126867239
12150aba23
13a743951
146ab42b9
154723043
hex30a09fb

50989563 has 6 divisors (see below), whose sum is σ = 73651604. Its totient is φ = 33993036.

The previous prime is 50989553. The next prime is 50989567. The reversal of 50989563 is 36598905.

50989563 is a `hidden beast` number, since 5 + 0 + 9 + 89 + 563 = 666.

50989563 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 50989563 - 25 = 50989531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50989567) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2832745 + ... + 2832762.

Almost surely, 250989563 is an apocalyptic number.

50989563 is a deficient number, since it is larger than the sum of its proper divisors (22662041).

50989563 is a wasteful number, since it uses less digits than its factorization.

50989563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665513 (or 5665510 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 50989563 is about 7140.6976549914. The cubic root of 50989563 is about 370.8176778926.

The spelling of 50989563 in words is "fifty million, nine hundred eighty-nine thousand, five hundred sixty-three".

Divisors: 1 3 9 5665507 16996521 50989563