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85725008 = 246187833
BaseRepresentation
bin1010001110000…
…00111101010000
312222022021121022
411013000331100
5133421200013
612301215012
72060436065
oct507007520
9188267538
1085725008
1144431516
1224861468
13149b6175
14b556c6c
1577d5008
hex51c0f50

85725008 has 20 divisors (see below), whose sum is σ = 168816948. Its totient is φ = 42159360.

The previous prime is 85725007. The next prime is 85725019. The reversal of 85725008 is 80052758.

It can be written as a sum of positive squares in 2 ways, for example, as 25321024 + 60403984 = 5032^2 + 7772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85725001) 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 3 ways as a sum of consecutive naturals, for example, 42941 + ... + 44892.

Almost surely, 285725008 is an apocalyptic number.

It is an amenable number.

85725008 is a deficient number, since it is larger than the sum of its proper divisors (83091940).

85725008 is a wasteful number, since it uses less digits than its factorization.

85725008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87902 (or 87896 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 85725008 is about 9258.7800492289. The cubic root of 85725008 is about 440.9295225565.

The spelling of 85725008 in words is "eighty-five million, seven hundred twenty-five thousand, eight".

Divisors: 1 2 4 8 16 61 122 244 488 976 87833 175666 351332 702664 1405328 5357813 10715626 21431252 42862504 85725008