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50420133 = 3215833539
BaseRepresentation
bin1100000001010…
…1100110100101
310111212121102100
43000111212211
5100401421013
65000402313
71151364321
oct300254645
9114777370
1050420133
1126508435
1214a76399
13a5a46ca
1469a6981
15465e473
hex30159a5

50420133 has 12 divisors (see below), whose sum is σ = 72895680. Its totient is φ = 33582696.

The previous prime is 50420131. The next prime is 50420171. The reversal of 50420133 is 33102405.

It is not a de Polignac number, because 50420133 - 21 = 50420131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50420131) 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 11 ways as a sum of consecutive naturals, for example, 12478 + ... + 16016.

It is an arithmetic number, because the mean of its divisors is an integer number (6074640).

Almost surely, 250420133 is an apocalyptic number.

It is an amenable number.

50420133 is a deficient number, since it is larger than the sum of its proper divisors (22475547).

50420133 is a wasteful number, since it uses less digits than its factorization.

50420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 5125 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50420133 is about 7100.7135556928. The cubic root of 50420133 is about 369.4321286406.

Adding to 50420133 its reverse (33102405), we get a palindrome (83522538).

The spelling of 50420133 in words is "fifty million, four hundred twenty thousand, one hundred thirty-three".

Divisors: 1 3 9 1583 3539 4749 10617 14247 31851 5602237 16806711 50420133