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11831033 is a prime number
BaseRepresentation
bin101101001000…
…011011111001
3211021002010102
4231020123321
511012043113
61101325145
7202363544
oct55103371
924232112
1011831033
116750915
123b667b5
1325b3116
1417dd85b
15108a758
hexb486f9

11831033 has 2 divisors, whose sum is σ = 11831034. Its totient is φ = 11831032.

The previous prime is 11831023. The next prime is 11831077. The reversal of 11831033 is 33013811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8456464 + 3374569 = 2908^2 + 1837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11831033 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11830996 and 11831014.

It is not a weakly prime, because it can be changed into another prime (11831023) 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, 5915516 + 5915517.

It is an arithmetic number, because the mean of its divisors is an integer number (5915517).

Almost surely, 211831033 is an apocalyptic number.

It is an amenable number.

11831033 is a deficient number, since it is larger than the sum of its proper divisors (1).

11831033 is an equidigital number, since it uses as much as digits as its factorization.

11831033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11831033 is about 3439.6268692985. The cubic root of 11831033 is about 227.8632156365.

Adding to 11831033 its reverse (33013811), we get a palindrome (44844844).

The spelling of 11831033 in words is "eleven million, eight hundred thirty-one thousand, thirty-three".