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985275 = 325229151
BaseRepresentation
bin11110000100010111011
31212001112200
43300202323
5223012100
633041243
711242344
oct3604273
91761480
10985275
11613285
123b6223
13286605
141b90cb
15146e00
hexf08bb

985275 has 36 divisors (see below), whose sum is σ = 1837680. Its totient is φ = 504000.

The previous prime is 985253. The next prime is 985277. The reversal of 985275 is 572589.

It is not a de Polignac number, because 985275 - 215 = 952507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985277) 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 35 ways as a sum of consecutive naturals, for example, 6450 + ... + 6600.

2985275 is an apocalyptic number.

985275 is a deficient number, since it is larger than the sum of its proper divisors (852405).

985275 is a wasteful number, since it uses less digits than its factorization.

985275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 188 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 985275 is about 992.6101953939. The cubic root of 985275 is about 99.5067375891.

Subtracting from 985275 its reverse (572589), we obtain a triangular number (412686 = T908).

The spelling of 985275 in words is "nine hundred eighty-five thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 29 45 75 87 145 151 225 261 435 453 725 755 1305 1359 2175 2265 3775 4379 6525 6795 11325 13137 21895 33975 39411 65685 109475 197055 328425 985275