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84870468 = 223219112343
BaseRepresentation
bin1010000111100…
…00010101000100
312220200212101200
411003300111010
5133211323333
612231022500
72050246524
oct503602504
9186625350
1084870468
11439a8491
122450aa30
1314777217
14b3b3684
1576b6c13
hex50f0544

84870468 has 36 divisors (see below), whose sum is σ = 215674368. Its totient is φ = 28139760.

The previous prime is 84870439. The next prime is 84870469. The reversal of 84870468 is 86407848.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (84870469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705 + ... + 13047.

Almost surely, 284870468 is an apocalyptic number.

It is an amenable number.

84870468 is an abundant number, since it is smaller than the sum of its proper divisors (130803900).

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

84870468 is a wasteful number, since it uses less digits than its factorization.

84870468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 84870468 is about 9212.5169199302. The cubic root of 84870468 is about 439.4595085140.

The spelling of 84870468 in words is "eighty-four million, eight hundred seventy thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 191 382 573 764 1146 1719 2292 3438 6876 12343 24686 37029 49372 74058 111087 148116 222174 444348 2357513 4715026 7072539 9430052 14145078 21217617 28290156 42435234 84870468