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85905200 = 2452214763
BaseRepresentation
bin1010001111011…
…00111100110000
312222122102210002
411013230330300
5133442431300
612305125132
72062116323
oct507547460
9188572702
1085905200
1144544937
12249297a8
1314a4a1a4
14b5a27ba
15781d5d5
hex51ecf30

85905200 has 30 divisors (see below), whose sum is σ = 206388204. Its totient is φ = 34361920.

The previous prime is 85905191. The next prime is 85905217. The reversal of 85905200 is 250958.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106982 + ... + 107781.

Almost surely, 285905200 is an apocalyptic number.

85905200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85905200 is an abundant number, since it is smaller than the sum of its proper divisors (120483004).

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

85905200 is a wasteful number, since it uses less digits than its factorization.

85905200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214781 (or 214770 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 85905200 is about 9268.5058126971. The cubic root of 85905200 is about 441.2382475931.

The spelling of 85905200 in words is "eighty-five million, nine hundred five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 214763 429526 859052 1073815 1718104 2147630 3436208 4295260 5369075 8590520 10738150 17181040 21476300 42952600 85905200