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50457049 = 289717417
BaseRepresentation
bin1100000001111…
…0100111011001
310111221111001121
43000132213121
5100404111144
65001245241
71151610046
oct300364731
9114844047
1050457049
1126533145
1214a93821
13a5b8456
1469b61cd
15466a384
hex301e9d9

50457049 has 4 divisors (see below), whose sum is σ = 50477364. Its totient is φ = 50436736.

The previous prime is 50457041. The next prime is 50457053. The reversal of 50457049 is 94075405.

50457049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27751824 + 22705225 = 5268^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 50457049 - 23 = 50457041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50457041) 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 3 ways as a sum of consecutive naturals, for example, 5812 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (12619341).

Almost surely, 250457049 is an apocalyptic number.

It is an amenable number.

50457049 is a deficient number, since it is larger than the sum of its proper divisors (20315).

50457049 is a wasteful number, since it uses less digits than its factorization.

50457049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 50457049 is about 7103.3125371196. The cubic root of 50457049 is about 369.5222687531.

The spelling of 50457049 in words is "fifty million, four hundred fifty-seven thousand, forty-nine".

Divisors: 1 2897 17417 50457049