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50485109 = 192657111
BaseRepresentation
bin1100000010010…
…1011101110101
310111222220112212
43000211131311
5100411010414
65002023205
71152054623
oct300453565
9114886485
1050485109
1126552234
1214aa7b05
13a5c815c
1469c2513
15467383e
hex3025775

50485109 has 4 divisors (see below), whose sum is σ = 53142240. Its totient is φ = 47827980.

The previous prime is 50485091. The next prime is 50485117. The reversal of 50485109 is 90158405.

50485109 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90158405 = 518031681.

It is a cyclic number.

It is not a de Polignac number, because 50485109 - 220 = 49436533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50485129) 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, 1328537 + ... + 1328574.

It is an arithmetic number, because the mean of its divisors is an integer number (13285560).

Almost surely, 250485109 is an apocalyptic number.

It is an amenable number.

50485109 is a deficient number, since it is larger than the sum of its proper divisors (2657131).

50485109 is a wasteful number, since it uses less digits than its factorization.

50485109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657130.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 50485109 is about 7105.2873974245. The cubic root of 50485109 is about 369.5907552089.

The spelling of 50485109 in words is "fifty million, four hundred eighty-five thousand, one hundred nine".

Divisors: 1 19 2657111 50485109