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11668229 is a prime number
BaseRepresentation
bin101100100000…
…101100000101
3210221210210122
4230200230011
510441340404
61054031325
7201115106
oct54405405
923853718
1011668229
11664a571
123aa8545
132556ca1
14179a3ad
1510573be
hexb20b05

11668229 has 2 divisors, whose sum is σ = 11668230. Its totient is φ = 11668228.

The previous prime is 11668193. The next prime is 11668259. The reversal of 11668229 is 92286611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 4389025 = 2698^2 + 2095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11668229 is a prime.

It is a super-2 number, since 2×116682292 = 272295135992882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11668259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834114 + 5834115.

It is an arithmetic number, because the mean of its divisors is an integer number (5834115).

Almost surely, 211668229 is an apocalyptic number.

It is an amenable number.

11668229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668229 is an equidigital number, since it uses as much as digits as its factorization.

11668229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 11668229 is about 3415.8789498459. The cubic root of 11668229 is about 226.8131941370.

The spelling of 11668229 in words is "eleven million, six hundred sixty-eight thousand, two hundred twenty-nine".