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50449249 = 50819929
BaseRepresentation
bin1100000001110…
…0101101100001
310111221002100201
43000130231201
5100403333444
65001145201
71151545234
oct300345541
9114832321
1050449249
11265282a4
1214a8b201
13a5b4a36
1469b341b
154667dd4
hex301cb61

50449249 has 4 divisors (see below), whose sum is σ = 50464260. Its totient is φ = 50434240.

The previous prime is 50449211. The next prime is 50449261. The reversal of 50449249 is 94294405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8614225 + 41835024 = 2935^2 + 6468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50449249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50449549) 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 3 ways as a sum of consecutive naturals, for example, 117 + ... + 10045.

It is an arithmetic number, because the mean of its divisors is an integer number (12616065).

Almost surely, 250449249 is an apocalyptic number.

It is an amenable number.

50449249 is a deficient number, since it is larger than the sum of its proper divisors (15011).

50449249 is an equidigital number, since it uses as much as digits as its factorization.

50449249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 50449249 is about 7102.7634762816. The cubic root of 50449249 is about 369.5032266682.

The spelling of 50449249 in words is "fifty million, four hundred forty-nine thousand, two hundred forty-nine".

Divisors: 1 5081 9929 50449249