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505045434 = 23178947051
BaseRepresentation
bin11110000110100…
…110000110111010
31022012022222002110
4132012212012322
52013242423214
6122040513150
715341546445
oct3606460672
91265288073
10505045434
1123a0a3123
1212117b7b6
138083076a
144b10a65c
152e513159
hex1e1a61ba

505045434 has 16 divisors (see below), whose sum is σ = 1010676960. Its totient is φ = 168250800.

The previous prime is 505045433. The next prime is 505045451. The reversal of 505045434 is 434540505.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505045433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12792 + ... + 34259.

It is an arithmetic number, because the mean of its divisors is an integer number (63167310).

Almost surely, 2505045434 is an apocalyptic number.

505045434 is an abundant number, since it is smaller than the sum of its proper divisors (505631526).

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

505045434 is a wasteful number, since it uses less digits than its factorization.

505045434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48845.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 505045434 is about 22473.2159247403. The cubic root of 505045434 is about 796.3613051753.

Adding to 505045434 its reverse (434540505), we get a palindrome (939585939).

The spelling of 505045434 in words is "five hundred five million, forty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1789 3578 5367 10734 47051 94102 141153 282306 84174239 168348478 252522717 505045434