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434282890 = 2543428289
BaseRepresentation
bin11001111000101…
…010000110001010
31010021011212010111
4121320222012022
51342134023030
6111032104534
713522225606
oct3170520612
91107155114
10434282890
11203161188
1210153514a
136bc85b32
144196a506
15281d662a
hex19e2a18a

434282890 has 8 divisors (see below), whose sum is σ = 781709220. Its totient is φ = 173713152.

The previous prime is 434282879. The next prime is 434282897. The reversal of 434282890 is 98282434.

It can be written as a sum of positive squares in 2 ways, for example, as 360202441 + 74080449 = 18979^2 + 8607^2 .

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

It is not an unprimeable number, because it can be changed into a prime (434282897) 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 3 ways as a sum of consecutive naturals, for example, 21714135 + ... + 21714154.

Almost surely, 2434282890 is an apocalyptic number.

434282890 is a deficient number, since it is larger than the sum of its proper divisors (347426330).

434282890 is a wasteful number, since it uses less digits than its factorization.

434282890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43428296.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 434282890 is about 20839.4551272340. The cubic root of 434282890 is about 757.2818935873.

The spelling of 434282890 in words is "four hundred thirty-four million, two hundred eighty-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 43428289 86856578 217141445 434282890