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434430133 = 1521728549
BaseRepresentation
bin11001111001001…
…110000010110101
31010021110100002221
4121321032002311
51342203231013
6111035202341
713523411104
oct3171160265
91107410087
10434430133
11203251875
121015a63b1
136c007b67
14419a803b
152821508d
hex19e4e0b5

434430133 has 4 divisors (see below), whose sum is σ = 434473900. Its totient is φ = 434386368.

The previous prime is 434430127. The next prime is 434430149. The reversal of 434430133 is 331034434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 229310449 + 205119684 = 15143^2 + 14322^2 .

It is a cyclic number.

It is not a de Polignac number, because 434430133 - 221 = 432332981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434430098 and 434430107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434430433) 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, 943 + ... + 29491.

It is an arithmetic number, because the mean of its divisors is an integer number (108618475).

Almost surely, 2434430133 is an apocalyptic number.

It is an amenable number.

434430133 is a deficient number, since it is larger than the sum of its proper divisors (43767).

434430133 is a wasteful number, since it uses less digits than its factorization.

434430133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43766.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 434430133 is about 20842.9876217398. The cubic root of 434430133 is about 757.3674690351.

Adding to 434430133 its reverse (331034434), we get a palindrome (765464567).

The spelling of 434430133 in words is "four hundred thirty-four million, four hundred thirty thousand, one hundred thirty-three".

Divisors: 1 15217 28549 434430133