Search a number
-
+
434233540 = 225131670129
BaseRepresentation
bin11001111000011…
…110000011000100
31010021002100102201
4121320132003010
51342130433130
6111031044244
713521631666
oct3170360304
91107070381
10434233540
112031280a4
12101510684
136bc69530
1441956536
15281c6bca
hex19e1e0c4

434233540 has 24 divisors (see below), whose sum is σ = 982036440. Its totient is φ = 160332288.

The previous prime is 434233529. The next prime is 434233549. The reversal of 434233540 is 45332434.

It can be written as a sum of positive squares in 4 ways, for example, as 4251844 + 429981696 = 2062^2 + 20736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 434233499 and 434233508.

It is not an unprimeable number, because it can be changed into a prime (434233549) 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, 834805 + ... + 835324.

It is an arithmetic number, because the mean of its divisors is an integer number (40918185).

Almost surely, 2434233540 is an apocalyptic number.

It is an amenable number.

434233540 is an abundant number, since it is smaller than the sum of its proper divisors (547802900).

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

434233540 is a wasteful number, since it uses less digits than its factorization.

434233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670151 (or 1670149 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 434233540 is about 20838.2710415236. The cubic root of 434233540 is about 757.2532077713.

Adding to 434233540 its reverse (45332434), we get a palindrome (479565974).

The spelling of 434233540 in words is "four hundred thirty-four million, two hundred thirty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1670129 3340258 6680516 8350645 16701290 21711677 33402580 43423354 86846708 108558385 217116770 434233540