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85682244 = 223172631597
BaseRepresentation
bin1010001101101…
…10100001000100
312222020002221110
411012312201010
5133413312434
612300245020
72060200314
oct506664104
9188202843
1085682244
114440237a
1224840770
131499c86b
14b545444
1577c74e9
hex51b6844

85682244 has 48 divisors (see below), whose sum is σ = 212623488. Its totient is φ = 26761728.

The previous prime is 85682237. The next prime is 85682249. The reversal of 85682244 is 44228658.

It is not an unprimeable number, because it can be changed into a prime (85682249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 52854 + ... + 54450.

It is an arithmetic number, because the mean of its divisors is an integer number (4429656).

Almost surely, 285682244 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 85682244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106311744).

85682244 is an abundant number, since it is smaller than the sum of its proper divisors (126941244).

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

85682244 is a wasteful number, since it uses less digits than its factorization.

85682244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1882 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 85682244 is about 9256.4703856276. The cubic root of 85682244 is about 440.8561909938.

The spelling of 85682244 in words is "eighty-five million, six hundred eighty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 263 526 789 1052 1578 1597 3156 3194 4471 4791 6388 8942 9582 13413 17884 19164 26826 27149 53652 54298 81447 108596 162894 325788 420011 840022 1260033 1680044 2520066 5040132 7140187 14280374 21420561 28560748 42841122 85682244