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86041900 = 225271011217
BaseRepresentation
bin1010010000011…
…10010100101100
312222220101022001
411020032110230
5134011320100
612312102044
72063226010
oct510162454
9188811261
1086041900
114462860a
1224994924
1314a97489
14b5da540
157848d6a
hex520e52c

86041900 has 72 divisors (see below), whose sum is σ = 215673696. Its totient is φ = 29184000.

The previous prime is 86041897. The next prime is 86041931. The reversal of 86041900 is 914068.

It is a super-2 number, since 2×860419002 = 14806417111220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70092 + ... + 71308.

It is an arithmetic number, because the mean of its divisors is an integer number (2995468).

Almost surely, 286041900 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 86041900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107836848).

86041900 is an abundant number, since it is smaller than the sum of its proper divisors (129631796).

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

86041900 is a wasteful number, since it uses less digits than its factorization.

86041900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 86041900 is about 9275.8773169981. The cubic root of 86041900 is about 441.4721694148.

Adding to 86041900 its reverse (914068), we get a palindrome (86955968).

The spelling of 86041900 in words is "eighty-six million, forty-one thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 101 140 175 202 350 404 505 700 707 1010 1217 1414 2020 2434 2525 2828 3535 4868 5050 6085 7070 8519 10100 12170 14140 17038 17675 24340 30425 34076 35350 42595 60850 70700 85190 121700 122917 170380 212975 245834 425950 491668 614585 851900 860419 1229170 1720838 2458340 3072925 3441676 4302095 6145850 8604190 12291700 17208380 21510475 43020950 86041900