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85752282 = 23711199769
BaseRepresentation
bin1010001110001…
…11100111011010
312222100200000110
411013013213122
5133423033112
612301545150
72060611440
oct507074732
9188320013
1085752282
114444aa60
12248751b6
13149c56c5
14b562b90
1577dd13c
hex51c79da

85752282 has 64 divisors (see below), whose sum is σ = 225100800. Its totient is φ = 21098880.

The previous prime is 85752281. The next prime is 85752313. The reversal of 85752282 is 28225758.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85752282.

It is not an unprimeable number, because it can be changed into a prime (85752281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3894 + ... + 13662.

It is an arithmetic number, because the mean of its divisors is an integer number (3517200).

Almost surely, 285752282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85752282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112550400).

85752282 is an abundant number, since it is smaller than the sum of its proper divisors (139348518).

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

85752282 is a wasteful number, since it uses less digits than its factorization.

85752282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811.

The product of its digits is 89600, while the sum is 39.

The square root of 85752282 is about 9260.2528043245. The cubic root of 85752282 is about 440.9762791834.

The spelling of 85752282 in words is "eighty-five million, seven hundred fifty-two thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 133 154 209 231 266 399 418 462 627 798 1254 1463 2926 4389 8778 9769 19538 29307 58614 68383 107459 136766 185611 205149 214918 322377 371222 410298 556833 644754 752213 1113666 1299277 1504426 2041721 2256639 2598554 3897831 4083442 4513278 6125163 7795662 12250326 14292047 28584094 42876141 85752282