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650213 is a prime number
BaseRepresentation
bin10011110101111100101
31020000220222
42132233211
5131301323
621534125
75345444
oct2365745
91200828
10650213
11404573
12274345
13199c55
1412cd5b
15cc9c8
hex9ebe5

650213 has 2 divisors, whose sum is σ = 650214. Its totient is φ = 650212.

The previous prime is 650189. The next prime is 650227. The reversal of 650213 is 312056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515524 + 134689 = 718^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 650213 - 216 = 584677 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 650191 and 650200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650413) 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 as a sum of consecutive naturals, namely, 325106 + 325107.

It is an arithmetic number, because the mean of its divisors is an integer number (325107).

2650213 is an apocalyptic number.

It is an amenable number.

650213 is a deficient number, since it is larger than the sum of its proper divisors (1).

650213 is an equidigital number, since it uses as much as digits as its factorization.

650213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 650213 is about 806.3578610022. The cubic root of 650213 is about 86.6333714971.

Adding to 650213 its reverse (312056), we get a palindrome (962269).

The spelling of 650213 in words is "six hundred fifty thousand, two hundred thirteen".