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85281548 = 22111938217
BaseRepresentation
bin1010001010101…
…00101100001100
312221110202021212
411011110230030
5133313002143
612243513552
72053611152
oct505245414
9187422255
1085281548
1144159320
12246888b8
131488c371
14b47d3d2
157748918
hex5154b0c

85281548 has 12 divisors (see below), whose sum is σ = 162810312. Its totient is φ = 38764320.

The previous prime is 85281509. The next prime is 85281563. The reversal of 85281548 is 84518258.

It is a happy number.

It is an unprimeable number.

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, 969065 + ... + 969152.

It is an arithmetic number, because the mean of its divisors is an integer number (13567526).

Almost surely, 285281548 is an apocalyptic number.

It is an amenable number.

85281548 is a deficient number, since it is larger than the sum of its proper divisors (77528764).

85281548 is a wasteful number, since it uses less digits than its factorization.

85281548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938232 (or 1938230 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 85281548 is about 9234.8009182656. The cubic root of 85281548 is about 440.1678904755.

The spelling of 85281548 in words is "eighty-five million, two hundred eighty-one thousand, five hundred forty-eight".

Divisors: 1 2 4 11 22 44 1938217 3876434 7752868 21320387 42640774 85281548