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133205467 is a prime number
BaseRepresentation
bin1111111000010…
…00110111011011
3100021122112112211
413330020313123
5233100033332
621115015551
73205141063
oct774106733
9307575484
10133205467
116921126a
123873a5b7
132179b805
14139963a3
15ba63447
hex7f08ddb

133205467 has 2 divisors, whose sum is σ = 133205468. Its totient is φ = 133205466.

The previous prime is 133205461. The next prime is 133205503. The reversal of 133205467 is 764502331.

It is a weak prime.

It is an emirp because it is prime and its reverse (764502331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133205467 - 23 = 133205459 is a prime.

It is not a weakly prime, because it can be changed into another prime (133205461) 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, 66602733 + 66602734.

It is an arithmetic number, because the mean of its divisors is an integer number (66602734).

Almost surely, 2133205467 is an apocalyptic number.

133205467 is a deficient number, since it is larger than the sum of its proper divisors (1).

133205467 is an equidigital number, since it uses as much as digits as its factorization.

133205467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 133205467 is about 11541.4672810696. The cubic root of 133205467 is about 510.7095940682.

Adding to 133205467 its reverse (764502331), we get a palindrome (897707798).

The spelling of 133205467 in words is "one hundred thirty-three million, two hundred five thousand, four hundred sixty-seven".