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50450013 = 331868519
BaseRepresentation
bin1100000001110…
…0111001011101
310111221010102000
43000130321131
5100403400023
65001152513
71151550405
oct300347135
9114833360
1050450013
1126528929
1214a8b739
13a5b51a3
1469b3805
154668243
hex301ce5d

50450013 has 8 divisors (see below), whose sum is σ = 74740800. Its totient is φ = 33633324.

The previous prime is 50450009. The next prime is 50450021. The reversal of 50450013 is 31005405.

50450013 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 50450013 - 22 = 50450009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50450083) 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 7 ways as a sum of consecutive naturals, for example, 934233 + ... + 934286.

It is an arithmetic number, because the mean of its divisors is an integer number (9342600).

Almost surely, 250450013 is an apocalyptic number.

It is an amenable number.

50450013 is a deficient number, since it is larger than the sum of its proper divisors (24290787).

50450013 is a wasteful number, since it uses less digits than its factorization.

50450013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868528 (or 1868522 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 50450013 is about 7102.8172579618. The cubic root of 50450013 is about 369.5050919027.

Adding to 50450013 its reverse (31005405), we get a palindrome (81455418).

The spelling of 50450013 in words is "fifty million, four hundred fifty thousand, thirteen".

Divisors: 1 3 9 27 1868519 5605557 16816671 50450013