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86224530 = 2357715783
BaseRepresentation
bin1010010001110…
…10111010010010
320000020122211010
411020322322102
5134033141110
612320031350
72064616320
oct510727222
9200218733
1086224530
1144742847
1224a62556
1314b2c642
14b646d10
157883020
hex523ae92

86224530 has 64 divisors (see below), whose sum is σ = 239874048. Its totient is φ = 19427520.

The previous prime is 86224529. The next prime is 86224531. The reversal of 86224530 is 3542268.

It is an interprime number because it is at equal distance from previous prime (86224529) and next prime (86224531).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (86224531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12019 + ... + 17801.

It is an arithmetic number, because the mean of its divisors is an integer number (3748032).

Almost surely, 286224530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86224530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119937024).

86224530 is an abundant number, since it is smaller than the sum of its proper divisors (153649518).

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

86224530 is a wasteful number, since it uses less digits than its factorization.

86224530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 86224530 is about 9285.7164505492. The cubic root of 86224530 is about 441.7843006154.

Adding to 86224530 its reverse (3542268), we get a palindrome (89766798).

The spelling of 86224530 in words is "eighty-six million, two hundred twenty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 71 105 142 210 213 355 426 497 710 994 1065 1491 2130 2485 2982 4970 5783 7455 11566 14910 17349 28915 34698 40481 57830 80962 86745 121443 173490 202405 242886 404810 410593 607215 821186 1214430 1231779 2052965 2463558 2874151 4105930 5748302 6158895 8622453 12317790 14370755 17244906 28741510 43112265 86224530