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85845888 = 2732431733
BaseRepresentation
bin1010001110111…
…10011110000000
312222112102102100
411013132132000
5133434032023
612303550400
72061451362
oct507363600
9188472370
1085845888
1144504317
12248bb400
1314a291ab
14b588d32
15780ac43
hex51de780

85845888 has 96 divisors (see below), whose sum is σ = 252921240. Its totient is φ = 27933696.

The previous prime is 85845871. The next prime is 85845889. The reversal of 85845888 is 88854858.

It is a happy number.

85845888 is a `hidden beast` number, since 8 + 58 + 4 + 588 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85845889) 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 11 ways as a sum of consecutive naturals, for example, 48670 + ... + 50402.

Almost surely, 285845888 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 85845888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126460620).

85845888 is an abundant number, since it is smaller than the sum of its proper divisors (167075352).

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

85845888 is a wasteful number, since it uses less digits than its factorization.

85845888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1781 counting only the distinct ones).

The product of its digits is 3276800, while the sum is 54.

The square root of 85845888 is about 9265.3056074800. The cubic root of 85845888 is about 441.1366753626.

The spelling of 85845888 in words is "eighty-five million, eight hundred forty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 128 129 144 172 192 258 288 344 384 387 516 576 688 774 1032 1152 1376 1548 1733 2064 2752 3096 3466 4128 5199 5504 6192 6932 8256 10398 12384 13864 15597 16512 20796 24768 27728 31194 41592 49536 55456 62388 74519 83184 110912 124776 149038 166368 221824 223557 249552 298076 332736 447114 499104 596152 665472 670671 894228 998208 1192304 1341342 1788456 1996416 2384608 2682684 3576912 4769216 5365368 7153824 9538432 10730736 14307648 21461472 28615296 42922944 85845888