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86841384 = 233773297
BaseRepresentation
bin1010010110100…
…01100000101000
320001101222222120
411023101200220
5134212411014
612341151240
72103065610
oct513214050
9201358876
1086841384
1145024243
12250bb520
1314cb7346
14b767a40
157955ba9
hex52d1828

86841384 has 96 divisors (see below), whose sum is σ = 254157120. Its totient is φ = 24219648.

The previous prime is 86841373. The next prime is 86841413. The reversal of 86841384 is 48314868.

It is a super-3 number, since 3×868413843 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 895224 + ... + 895320.

It is an arithmetic number, because the mean of its divisors is an integer number (2647470).

Almost surely, 286841384 is an apocalyptic number.

86841384 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86841384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127078560).

86841384 is an abundant number, since it is smaller than the sum of its proper divisors (167315736).

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

86841384 is a wasteful number, since it uses less digits than its factorization.

86841384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 182 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 86841384 is about 9318.8724639840. The cubic root of 86841384 is about 442.8353128925.

The spelling of 86841384 in words is "eighty-six million, eight hundred forty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 73 84 97 146 168 194 219 291 292 388 438 511 582 584 679 776 876 1022 1164 1358 1533 1752 2037 2044 2328 2716 3066 4074 4088 5329 5432 6132 7081 8148 10658 12264 14162 15987 16296 21243 21316 28324 31974 37303 42486 42632 49567 56648 63948 74606 84972 99134 111909 127896 148701 149212 169944 198268 223818 297402 298424 396536 447636 516913 594804 895272 1033826 1189608 1550739 2067652 3101478 3618391 4135304 6202956 7236782 10855173 12405912 14473564 21710346 28947128 43420692 86841384