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505325283 = 3972776269
BaseRepresentation
bin11110000111101…
…010011011100011
31022012212011222020
4132013222123203
52013330402113
6122050512523
715344123361
oct3607523343
91265764866
10505325283
1123a274401
12121295743
13808cac58
144b180631
152e56b023
hex1e1ea6e3

505325283 has 16 divisors (see below), whose sum is σ = 683279520. Its totient is φ = 332153856.

The previous prime is 505325269. The next prime is 505325333. The reversal of 505325283 is 382523505.

It is not a de Polignac number, because 505325283 - 25 = 505325251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505325213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77473 + ... + 83741.

It is an arithmetic number, because the mean of its divisors is an integer number (42704970).

Almost surely, 2505325283 is an apocalyptic number.

505325283 is a deficient number, since it is larger than the sum of its proper divisors (177954237).

505325283 is a wasteful number, since it uses less digits than its factorization.

505325283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 505325283 is about 22479.4413409230. The cubic root of 505325283 is about 796.5083676966.

Adding to 505325283 its reverse (382523505), we get a palindrome (887848788).

The spelling of 505325283 in words is "five hundred five million, three hundred twenty-five thousand, two hundred eighty-three".

Divisors: 1 3 97 277 291 831 6269 18807 26869 80607 608093 1736513 1824279 5209539 168441761 505325283