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4171213 is a prime number
BaseRepresentation
bin1111111010010111001101
321211220211101
433322113031
52031434323
6225223101
750311654
oct17722715
97756741
104171213
112399992
121491a91
13b30797
147a819b
15575dad
hex3fa5cd

4171213 has 2 divisors, whose sum is σ = 4171214. Its totient is φ = 4171212.

The previous prime is 4171207. The next prime is 4171229. The reversal of 4171213 is 3121714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2762244 + 1408969 = 1662^2 + 1187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4171213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4171243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085606 + 2085607.

It is an arithmetic number, because the mean of its divisors is an integer number (2085607).

Almost surely, 24171213 is an apocalyptic number.

It is an amenable number.

4171213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4171213 is an equidigital number, since it uses as much as digits as its factorization.

4171213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 4171213 is about 2042.3547683985. The cubic root of 4171213 is about 160.9734019819.

Adding to 4171213 its reverse (3121714), we get a palindrome (7292927).

The spelling of 4171213 in words is "four million, one hundred seventy-one thousand, two hundred thirteen".