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85253425 = 523410137
BaseRepresentation
bin1010001010011…
…01110100110001
312221102022201021
411011031310301
5133311102200
612243135441
72053433155
oct505156461
9187368637
1085253425
114413a184
1224674581
131487c61a
14b473065
15774041a
hex514dd31

85253425 has 6 divisors (see below), whose sum is σ = 105714278. Its totient is φ = 68202720.

The previous prime is 85253381. The next prime is 85253459. The reversal of 85253425 is 52435258.

It can be written as a sum of positive squares in 3 ways, for example, as 26378496 + 58874929 = 5136^2 + 7673^2 .

It is not a de Polignac number, because 85253425 - 27 = 85253297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1705044 + ... + 1705093.

Almost surely, 285253425 is an apocalyptic number.

It is an amenable number.

85253425 is a deficient number, since it is larger than the sum of its proper divisors (20460853).

85253425 is a wasteful number, since it uses less digits than its factorization.

85253425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410147 (or 3410142 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 85253425 is about 9233.2781285955. The cubic root of 85253425 is about 440.1195009436.

The spelling of 85253425 in words is "eighty-five million, two hundred fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 3410137 17050685 85253425