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11455231 is a prime number
BaseRepresentation
bin101011101100…
…101011111111
3210112222121211
4223230223333
510413031411
61045305251
7166240114
oct53545377
923488554
1011455231
116514537
123a05227
1324b1058
14174290b
151014221
hexaecaff

11455231 has 2 divisors, whose sum is σ = 11455232. Its totient is φ = 11455230.

The previous prime is 11455217. The next prime is 11455247. The reversal of 11455231 is 13255411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11455231 - 213 = 11447039 is a prime.

It is a super-2 number, since 2×114552312 = 262444634526722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727615 + 5727616.

It is an arithmetic number, because the mean of its divisors is an integer number (5727616).

Almost surely, 211455231 is an apocalyptic number.

11455231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455231 is an equidigital number, since it uses as much as digits as its factorization.

11455231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 11455231 is about 3384.5577259075. The cubic root of 11455231 is about 225.4245875759.

The spelling of 11455231 in words is "eleven million, four hundred fifty-five thousand, two hundred thirty-one".