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284427286 = 21113994501
BaseRepresentation
bin10000111101000…
…000010000010110
3201211012101212221
4100331000100112
51040303133121
644120132554
710022410033
oct2075002026
9654171787
10284427286
11136608480
127b30715a
1346c07890
1429abc38a
1519e84b41
hex10f40416

284427286 has 16 divisors (see below), whose sum is σ = 501229008. Its totient is φ = 119340000.

The previous prime is 284427281. The next prime is 284427313. The reversal of 284427286 is 682724482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284427281) 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, 496965 + ... + 497536.

It is an arithmetic number, because the mean of its divisors is an integer number (31326813).

Almost surely, 2284427286 is an apocalyptic number.

284427286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

284427286 is a deficient number, since it is larger than the sum of its proper divisors (216801722).

284427286 is a wasteful number, since it uses less digits than its factorization.

284427286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994527.

The product of its digits is 344064, while the sum is 43.

The square root of 284427286 is about 16864.9721612578. The cubic root of 284427286 is about 657.6433290255.

The spelling of 284427286 in words is "two hundred eighty-four million, four hundred twenty-seven thousand, two hundred eighty-six".

Divisors: 1 2 11 13 22 26 143 286 994501 1989002 10939511 12928513 21879022 25857026 142213643 284427286