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868022394 = 231272334889
BaseRepresentation
bin110011101111001…
…111100001111010
32020111100002212120
4303233033201322
53234203204034
6222044422110
730340032351
oct6357174172
92214302776
10868022394
11405a81088
12202847936
1310aaab525
14833d4998
1551311c49
hex33bcf87a

868022394 has 32 divisors (see below), whose sum is σ = 1757583360. Its totient is φ = 285772032.

The previous prime is 868022359. The next prime is 868022401. The reversal of 868022394 is 493220868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175102 + ... + 179990.

It is an arithmetic number, because the mean of its divisors is an integer number (54924480).

Almost surely, 2868022394 is an apocalyptic number.

868022394 is an abundant number, since it is smaller than the sum of its proper divisors (889560966).

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

868022394 is a wasteful number, since it uses less digits than its factorization.

868022394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 868022394 is about 29462.2197738052. The cubic root of 868022394 is about 953.9163879448.

The spelling of 868022394 in words is "eight hundred sixty-eight million, twenty-two thousand, three hundred ninety-four".

Divisors: 1 2 3 6 127 233 254 381 466 699 762 1398 4889 9778 14667 29334 29591 59182 88773 177546 620903 1139137 1241806 1862709 2278274 3417411 3725418 6834822 144670399 289340798 434011197 868022394