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285464064 = 293185849
BaseRepresentation
bin10001000000111…
…101011000000000
3201220011002002010
4101000331120000
51041034322224
644154252520
710034255514
oct2100753000
9656132063
10285464064
11137156416
127b727140
13471ab762
1429cac144
151a0dbe29
hex1103d600

285464064 has 40 divisors (see below), whose sum is σ = 760498200. Its totient is φ = 95154176.

The previous prime is 285464059. The next prime is 285464093. The reversal of 285464064 is 460464582.

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, 91389 + ... + 94460.

It is an arithmetic number, because the mean of its divisors is an integer number (19012455).

Almost surely, 2285464064 is an apocalyptic number.

285464064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

285464064 is an abundant number, since it is smaller than the sum of its proper divisors (475034136).

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

285464064 is an equidigital number, since it uses as much as digits as its factorization.

285464064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185870 (or 185854 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 285464064 is about 16895.6818151858. The cubic root of 285464064 is about 658.4414279732.

The spelling of 285464064 in words is "two hundred eighty-five million, four hundred sixty-four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 185849 371698 557547 743396 1115094 1486792 2230188 2973584 4460376 5947168 8920752 11894336 17841504 23788672 35683008 47577344 71366016 95154688 142732032 285464064