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285349312 = 2610741669
BaseRepresentation
bin10001000000100…
…001010111000000
3201212221020200001
4101000201113000
51041022134222
644152005344
710033300123
oct2100412700
9655836601
10285349312
11137088186
127b690854
134716b461
1429c7c3ba
151a0b7e27
hex110215c0

285349312 has 28 divisors (see below), whose sum is σ = 571545720. Its totient is φ = 141337856.

The previous prime is 285349303. The next prime is 285349349. The reversal of 285349312 is 213943582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13987 + ... + 27682.

Almost surely, 2285349312 is an apocalyptic number.

It is an amenable number.

285349312 is an abundant number, since it is smaller than the sum of its proper divisors (286196408).

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

285349312 is a wasteful number, since it uses less digits than its factorization.

285349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41788 (or 41778 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 285349312 is about 16892.2855765583. The cubic root of 285349312 is about 658.3531884984.

The spelling of 285349312 in words is "two hundred eighty-five million, three hundred forty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 107 214 428 856 1712 3424 6848 41669 83338 166676 333352 666704 1333408 2666816 4458583 8917166 17834332 35668664 71337328 142674656 285349312