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85527125 = 53684217
BaseRepresentation
bin1010001100100…
…00101001010101
312221221020011022
411012100221111
5133343332000
612253050525
72055653135
oct506205125
9187836138
1085527125
1144306882
1224786a45
1314947088
14b504ac5
157796585
hex5190a55

85527125 has 8 divisors (see below), whose sum is σ = 106738008. Its totient is φ = 68421600.

The previous prime is 85527121. The next prime is 85527137. The reversal of 85527125 is 52172558.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 85396081 = 362^2 + 9241^2 .

It is not a de Polignac number, because 85527125 - 22 = 85527121 is a prime.

It is a super-2 number, since 2×855271252 = 14629778221531250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85527121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341984 + ... + 342233.

It is an arithmetic number, because the mean of its divisors is an integer number (13342251).

Almost surely, 285527125 is an apocalyptic number.

It is an amenable number.

85527125 is a deficient number, since it is larger than the sum of its proper divisors (21210883).

85527125 is an equidigital number, since it uses as much as digits as its factorization.

85527125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684232 (or 684222 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 85527125 is about 9248.0876401557. The cubic root of 85527125 is about 440.5899884996.

The spelling of 85527125 in words is "eighty-five million, five hundred twenty-seven thousand, one hundred twenty-five".

Divisors: 1 5 25 125 684217 3421085 17105425 85527125