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86000800 = 2552193557
BaseRepresentation
bin1010010000001…
…00010010100000
312222211021220211
411020010102200
5134004011200
612311143504
72062665124
oct510042240
9188737824
1086000800
11445aa746
1224974b94
1314a81862
14b5c9584
15783baba
hex52044a0

86000800 has 72 divisors (see below), whose sum is σ = 211416156. Its totient is φ = 34160640.

The previous prime is 86000779. The next prime is 86000801. The reversal of 86000800 is 800068.

It can be written as a sum of positive squares in 6 ways, for example, as 5934096 + 80066704 = 2436^2 + 8948^2 .

It is a super-2 number, since 2×860008002 = 14792275201280000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86000801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154122 + ... + 154678.

Almost surely, 286000800 is an apocalyptic number.

86000800 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 86000800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105708078).

86000800 is an abundant number, since it is smaller than the sum of its proper divisors (125415356).

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

86000800 is a wasteful number, since it uses less digits than its factorization.

86000800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 86000800 is about 9273.6616285047. The cubic root of 86000800 is about 441.4018649237.

Adding to 86000800 its reverse (800068), we get a palindrome (86800868).

The spelling of 86000800 in words is "eighty-six million, eight hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 193 200 386 400 557 772 800 965 1114 1544 1930 2228 2785 3088 3860 4456 4825 5570 6176 7720 8912 9650 11140 13925 15440 17824 19300 22280 27850 30880 38600 44560 55700 77200 89120 107501 111400 154400 215002 222800 430004 445600 537505 860008 1075010 1720016 2150020 2687525 3440032 4300040 5375050 8600080 10750100 17200160 21500200 43000400 86000800