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434545434 = 23224141413
BaseRepresentation
bin11001111001101…
…010001100011010
31010021200012021100
4121321222030122
51342220423214
6111041452230
713524401211
oct3171521432
91107605240
10434545434
11203320464
12101641076
136c04849b
14419d8078
1528239309
hex19e6a31a

434545434 has 12 divisors (see below), whose sum is σ = 941515146. Its totient is φ = 144848472.

The previous prime is 434545411. The next prime is 434545439.

434545434 is nontrivially palindromic in base 10.

434545434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 222755625 + 211789809 = 14925^2 + 14553^2 .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (434545439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12070689 + ... + 12070724.

Almost surely, 2434545434 is an apocalyptic number.

434545434 is an abundant number, since it is smaller than the sum of its proper divisors (506969712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434545434 is a wasteful number, since it uses less digits than its factorization.

434545434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24141421 (or 24141418 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 434545434 is about 20845.7533804850. The cubic root of 434545434 is about 757.4344667681.

The spelling of 434545434 in words is "four hundred thirty-four million, five hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 24141413 48282826 72424239 144848478 217272717 434545434