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85326570 = 232571731257
BaseRepresentation
bin1010001010111…
…11101011101010
312221120001001100
411011133223222
5133320422240
612244502230
72054156340
oct505375352
9187501040
1085326570
114418a12a
12246aa976
13148a69c4
14b491990
157756e30
hex515faea

85326570 has 192 divisors, whose sum is σ = 278194176. Its totient is φ = 17694720.

The previous prime is 85326569. The next prime is 85326583. The reversal of 85326570 is 7562358.

85326570 is a `hidden beast` number, since 85 + 3 + 2 + 6 + 570 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 331882 + ... + 332138.

It is an arithmetic number, because the mean of its divisors is an integer number (1448928).

Almost surely, 285326570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85326570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139097088).

85326570 is an abundant number, since it is smaller than the sum of its proper divisors (192867606).

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

85326570 is a wasteful number, since it uses less digits than its factorization.

85326570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 85326570 is about 9237.2382236251. The cubic root of 85326570 is about 440.2453349439.

The spelling of 85326570 in words is "eighty-five million, three hundred twenty-six thousand, five hundred seventy".