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85401700 = 2252854017
BaseRepresentation
bin1010001011100…
…10000001100100
312221200212002221
411011302001210
5133330323300
612250242124
72054621356
oct505620144
9187625087
1085401700
114423061a
1224726344
1314901c67
14b4b10d6
15776e31a
hex5172064

85401700 has 18 divisors (see below), whose sum is σ = 185321906. Its totient is φ = 34160640.

The previous prime is 85401697. The next prime is 85401749. The reversal of 85401700 is 710458.

It can be written as a sum of positive squares in 3 ways, for example, as 24186724 + 61214976 = 4918^2 + 7824^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 426909 + ... + 427108.

Almost surely, 285401700 is an apocalyptic number.

It is an amenable number.

85401700 is an abundant number, since it is smaller than the sum of its proper divisors (99920206).

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

85401700 is a wasteful number, since it uses less digits than its factorization.

85401700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854031 (or 854024 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 85401700 is about 9241.3040205374. The cubic root of 85401700 is about 440.3745089674.

The spelling of 85401700 in words is "eighty-five million, four hundred one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 854017 1708034 3416068 4270085 8540170 17080340 21350425 42700850 85401700