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450130133 = 4491002517
BaseRepresentation
bin11010110101000…
…111000011010101
31011100222222110102
4122311013003111
51410213131013
6112355503445
714104020515
oct3265070325
91140888412
10450130133
112110a5482
121068b7b85
1372343cbb
1443ad3845
15297b6d58
hex1ad470d5

450130133 has 4 divisors (see below), whose sum is σ = 451133100. Its totient is φ = 449127168.

The previous prime is 450130117. The next prime is 450130151. The reversal of 450130133 is 331031054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98267569 + 351862564 = 9913^2 + 18758^2 .

It is a cyclic number.

It is not a de Polignac number, because 450130133 - 24 = 450130117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450160133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500810 + ... + 501707.

It is an arithmetic number, because the mean of its divisors is an integer number (112783275).

Almost surely, 2450130133 is an apocalyptic number.

It is an amenable number.

450130133 is a deficient number, since it is larger than the sum of its proper divisors (1002967).

450130133 is a wasteful number, since it uses less digits than its factorization.

450130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002966.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 450130133 is about 21216.2704781024. The cubic root of 450130133 is about 766.3832935300.

Adding to 450130133 its reverse (331031054), we get a palindrome (781161187).

The spelling of 450130133 in words is "four hundred fifty million, one hundred thirty thousand, one hundred thirty-three".

Divisors: 1 449 1002517 450130133