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85141800 = 23335215767
BaseRepresentation
bin1010001001100…
…10100100101000
312221012122121000
411010302210220
5133244014200
612240515000
72052456552
oct504624450
9187178530
1085141800
1144073327
122461ba60
1314840883
14b4444d2
15771c300
hex5132928

85141800 has 96 divisors (see below), whose sum is σ = 293284800. Its totient is φ = 22703040.

The previous prime is 85141783. The next prime is 85141813. The reversal of 85141800 is 814158.

It is a super-2 number, since 2×851418002 = 14498252214480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2484 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (3055050).

Almost surely, 285141800 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 85141800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146642400).

85141800 is an abundant number, since it is smaller than the sum of its proper divisors (208143000).

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

85141800 is a wasteful number, since it uses less digits than its factorization.

85141800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792 (or 15777 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 85141800 is about 9227.2314374356. The cubic root of 85141800 is about 439.9273295962.

Adding to 85141800 its reverse (814158), we get a palindrome (85955958).

The spelling of 85141800 in words is "eighty-five million, one hundred forty-one thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 90 100 108 120 135 150 180 200 216 225 270 300 360 450 540 600 675 900 1080 1350 1800 2700 5400 15767 31534 47301 63068 78835 94602 126136 141903 157670 189204 236505 283806 315340 378408 394175 425709 473010 567612 630680 709515 788350 851418 946020 1135224 1182525 1419030 1576700 1702836 1892040 2128545 2365050 2838060 3153400 3405672 3547575 4257090 4730100 5676120 7095150 8514180 9460200 10642725 14190300 17028360 21285450 28380600 42570900 85141800