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50425213 = 172966189
BaseRepresentation
bin1100000001011…
…0110101111101
310111212212101111
43000112311331
5100402101323
65000442021
71151415166
oct300266575
9114785344
1050425213
1126511233
1214a79311
13a5a6b07
1469a876d
154660c0d
hex3016d7d

50425213 has 4 divisors (see below), whose sum is σ = 53391420. Its totient is φ = 47459008.

The previous prime is 50425211. The next prime is 50425231. The reversal of 50425213 is 31252405.

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 44916804 + 5508409 = 6702^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 50425213 - 21 = 50425211 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 (50425211) 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, 1483078 + ... + 1483111.

It is an arithmetic number, because the mean of its divisors is an integer number (13347855).

Almost surely, 250425213 is an apocalyptic number.

It is an amenable number.

50425213 is a deficient number, since it is larger than the sum of its proper divisors (2966207).

50425213 is a wasteful number, since it uses less digits than its factorization.

50425213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966206.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50425213 is about 7101.0712572118. The cubic root of 50425213 is about 369.4445354053. Note that the first 3 decimals are identical.

Adding to 50425213 its reverse (31252405), we get a palindrome (81677618).

The spelling of 50425213 in words is "fifty million, four hundred twenty-five thousand, two hundred thirteen".

Divisors: 1 17 2966189 50425213