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505566882 = 23228087049
BaseRepresentation
bin11110001000100…
…101011010100010
31022020022110101100
4132020211122202
52013411120012
6122100015230
715346150632
oct3610453242
91266273340
10505566882
1123a419977
12121391516
1380983c02
144b2046c2
152e5b78dc
hex1e2256a2

505566882 has 12 divisors (see below), whose sum is σ = 1095394950. Its totient is φ = 168522288.

The previous prime is 505566881. The next prime is 505566883. The reversal of 505566882 is 288665505.

505566882 is a `hidden beast` number, since 5 + 0 + 5 + 566 + 8 + 82 = 666.

It is an interprime number because it is at equal distance from previous prime (505566881) and next prime (505566883).

It can be written as a sum of positive squares in only one way, i.e., 410913441 + 94653441 = 20271^2 + 9729^2 .

It is not an unprimeable number, because it can be changed into a prime (505566881) 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 5 ways as a sum of consecutive naturals, for example, 14043507 + ... + 14043542.

Almost surely, 2505566882 is an apocalyptic number.

505566882 is an abundant number, since it is smaller than the sum of its proper divisors (589828068).

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

505566882 is a wasteful number, since it uses less digits than its factorization.

505566882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28087057 (or 28087054 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 505566882 is about 22484.8144755522. The cubic root of 505566882 is about 796.6352859224.

The spelling of 505566882 in words is "five hundred five million, five hundred sixty-six thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 28087049 56174098 84261147 168522294 252783441 505566882