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85871300 = 2252858713
BaseRepresentation
bin1010001111001…
…00101011000100
312222120201021112
411013210223010
5133440340200
612304304152
72061615434
oct507445304
9188521245
1085871300
1144521419
1224912058
1314a37928
14b5942c4
157813535
hex51e4ac4

85871300 has 18 divisors (see below), whose sum is σ = 186340938. Its totient is φ = 34348480.

The previous prime is 85871293. The next prime is 85871323. The reversal of 85871300 is 317858.

It can be written as a sum of positive squares in 3 ways, for example, as 12544 + 85858756 = 112^2 + 9266^2 .

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, 429257 + ... + 429456.

Almost surely, 285871300 is an apocalyptic number.

It is an amenable number.

85871300 is an abundant number, since it is smaller than the sum of its proper divisors (100469638).

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

85871300 is a wasteful number, since it uses less digits than its factorization.

85871300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858727 (or 858720 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 85871300 is about 9266.6768585076. The cubic root of 85871300 is about 441.1801993236.

The spelling of 85871300 in words is "eighty-five million, eight hundred seventy-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 858713 1717426 3434852 4293565 8587130 17174260 21467825 42935650 85871300