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85485600 = 25325231383
BaseRepresentation
bin1010001100001…
…10100000100000
312221212010012100
411012012200200
5133341014400
612252130400
72055421104
oct506064040
9187763170
1085485600
1144288662
1224766a00
13149311c5
14b4d3904
157789100
hex5186820

85485600 has 216 divisors, whose sum is σ = 311980032. Its totient is φ = 22003200.

The previous prime is 85485563. The next prime is 85485623. The reversal of 85485600 is 658458.

It is a happy number.

85485600 is a `hidden beast` number, since 8 + 5 + 48 + 5 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 223009 + ... + 223391.

It is an arithmetic number, because the mean of its divisors is an integer number (1444352).

Almost surely, 285485600 is an apocalyptic number.

85485600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85485600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155990016).

85485600 is an abundant number, since it is smaller than the sum of its proper divisors (226494432).

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

85485600 is a wasteful number, since it uses less digits than its factorization.

85485600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 85485600 is about 9245.8423088435. The cubic root of 85485600 is about 440.5186720955.

The spelling of 85485600 in words is "eighty-five million, four hundred eighty-five thousand, six hundred".