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434269189 = 7310954577
BaseRepresentation
bin11001111000100…
…110110000000101
31010021011011100001
4121320212300011
51342133103224
6111031521301
713522140634
oct3170466005
91107134301
10434269189
11203151962
12101529231
136bc7c823
144196551b
15281d2544
hex19e26c05

434269189 has 8 divisors (see below), whose sum is σ = 444264920. Its totient is φ = 424382976.

The previous prime is 434269177. The next prime is 434269193. The reversal of 434269189 is 981962434.

It can be written as a sum of positive squares in 4 ways, for example, as 110880900 + 323388289 = 10530^2 + 17983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 434269189 - 213 = 434260997 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 (434269159) 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 in 7 ways as a sum of consecutive naturals, for example, 19332 + ... + 35245.

It is an arithmetic number, because the mean of its divisors is an integer number (55533115).

Almost surely, 2434269189 is an apocalyptic number.

It is an amenable number.

434269189 is a deficient number, since it is larger than the sum of its proper divisors (9995731).

434269189 is a wasteful number, since it uses less digits than its factorization.

434269189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54759.

The product of its digits is 373248, while the sum is 46.

The square root of 434269189 is about 20839.1263972365. The cubic root of 434269189 is about 757.2739297857.

The spelling of 434269189 in words is "four hundred thirty-four million, two hundred sixty-nine thousand, one hundred eighty-nine".

Divisors: 1 73 109 7957 54577 3984121 5948893 434269189