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285462468 = 2234881057
BaseRepresentation
bin10001000000111…
…100111111000100
3201220010222220000
4101000330333010
51041034244333
644154241300
710034251044
oct2100747704
9656128800
10285462468
111371551a5
127b726230
13471aab05
1429cab724
151a0db713
hex1103cfc4

285462468 has 30 divisors (see below), whose sum is σ = 746256126. Its totient is φ = 95154048.

The previous prime is 285462451. The next prime is 285462503. The reversal of 285462468 is 864264582.

285462468 is a `hidden beast` number, since 28 + 546 + 24 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 212051844 + 73410624 = 14562^2 + 8568^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 440205 + ... + 440852.

Almost surely, 2285462468 is an apocalyptic number.

It is an amenable number.

285462468 is an abundant number, since it is smaller than the sum of its proper divisors (460793658).

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

285462468 is a wasteful number, since it uses less digits than its factorization.

285462468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881073 (or 881062 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 285462468 is about 16895.6345841167. The cubic root of 285462468 is about 658.4402008783.

The spelling of 285462468 in words is "two hundred eighty-five million, four hundred sixty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 881057 1762114 2643171 3524228 5286342 7929513 10572684 15859026 23788539 31718052 47577078 71365617 95154156 142731234 285462468