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84085808 = 2417973187
BaseRepresentation
bin1010000001100…
…00110000110000
312212020000001012
411000300300300
5133011221213
612202130052
72040501062
oct500606060
9185200035
1084085808
1143511a04
12241b0928
1314561021
14b24b732
1575ae4a8
hex5030c30

84085808 has 40 divisors (see below), whose sum is σ = 174332592. Its totient is φ = 39149568.

The previous prime is 84085789. The next prime is 84085829. The reversal of 84085808 is 80858048.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24791 + ... + 27977.

Almost surely, 284085808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84085808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87166296).

84085808 is an abundant number, since it is smaller than the sum of its proper divisors (90246784).

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

84085808 is a wasteful number, since it uses less digits than its factorization.

84085808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 84085808 is about 9169.8314052113. The cubic root of 84085808 is about 438.1009893415.

The spelling of 84085808 in words is "eighty-four million, eighty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 17 34 68 97 136 194 272 388 776 1552 1649 3187 3298 6374 6596 12748 13192 25496 26384 50992 54179 108358 216716 309139 433432 618278 866864 1236556 2473112 4946224 5255363 10510726 21021452 42042904 84085808