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50489717 = 313161309
BaseRepresentation
bin1100000010011…
…0100101110101
310112000010212112
43000212211311
5100411132332
65002100405
71152104225
oct300464565
9115003775
1050489717
1126555743
1214aaa705
13a5ca295
1469c4085
154674db2
hex3026975

50489717 has 4 divisors (see below), whose sum is σ = 50651340. Its totient is φ = 50328096.

The previous prime is 50489713. The next prime is 50489743. The reversal of 50489717 is 71798405.

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 4778596 + 45711121 = 2186^2 + 6761^2 .

It is a cyclic number.

It is not a de Polignac number, because 50489717 - 22 = 50489713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50489713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80342 + ... + 80967.

It is an arithmetic number, because the mean of its divisors is an integer number (12662835).

Almost surely, 250489717 is an apocalyptic number.

It is an amenable number.

50489717 is a deficient number, since it is larger than the sum of its proper divisors (161623).

50489717 is a wasteful number, since it uses less digits than its factorization.

50489717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161622.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 50489717 is about 7105.6116555860. The cubic root of 50489717 is about 369.6019995964.

The spelling of 50489717 in words is "fifty million, four hundred eighty-nine thousand, seven hundred seventeen".

Divisors: 1 313 161309 50489717