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86689200 = 24352135557
BaseRepresentation
bin1010010101011…
…00010110110000
320001010021020010
411022230112300
5134143023300
612334014520
72101563123
oct512542660
9201107203
1086689200
1144a2a974
1225047440
1314c62cb0
14b7283ba
157925a50
hex52ac5b0

86689200 has 120 divisors (see below), whose sum is σ = 299109328. Its totient is φ = 21335040.

The previous prime is 86689189. The next prime is 86689201. The reversal of 86689200 is 298668.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86689201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12822 + ... + 18378.

Almost surely, 286689200 is an apocalyptic number.

86689200 is a gapful number since it is divisible by the number (80) 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 86689200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149554664).

86689200 is an abundant number, since it is smaller than the sum of its proper divisors (212420128).

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

86689200 is a wasteful number, since it uses less digits than its factorization.

86689200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591 (or 5580 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 86689200 is about 9310.7035179948. The cubic root of 86689200 is about 442.5764814018.

The spelling of 86689200 in words is "eighty-six million, six hundred eighty-nine thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 60 65 75 78 80 100 104 120 130 150 156 195 200 208 240 260 300 312 325 390 400 520 600 624 650 780 975 1040 1200 1300 1560 1950 2600 3120 3900 5200 5557 7800 11114 15600 16671 22228 27785 33342 44456 55570 66684 72241 83355 88912 111140 133368 138925 144482 166710 216723 222280 266736 277850 288964 333420 361205 416775 433446 444560 555700 577928 666840 722410 833550 866892 1083615 1111400 1155856 1333680 1444820 1667100 1733784 1806025 2167230 2222800 2889640 3334200 3467568 3612050 4334460 5418075 5779280 6668400 7224100 8668920 10836150 14448200 17337840 21672300 28896400 43344600 86689200