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275525085 = 35112971811
BaseRepresentation
bin10000011011000…
…010110111011101
3201012110010100210
4100123002313131
51031013300320
643201243033
76553632063
oct2033026735
9635403323
10275525085
11131588090
1278333479
134510b8c4
1428842033
15192c70e0
hex106c2ddd

275525085 has 64 divisors (see below), whose sum is σ = 505128960. Its totient is φ = 127008000.

The previous prime is 275525059. The next prime is 275525093. The reversal of 275525085 is 580525572.

It is not a de Polignac number, because 275525085 - 25 = 275525053 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 339330 + ... + 340140.

It is an arithmetic number, because the mean of its divisors is an integer number (7892640).

Almost surely, 2275525085 is an apocalyptic number.

It is an amenable number.

275525085 is a deficient number, since it is larger than the sum of its proper divisors (229603875).

275525085 is a wasteful number, since it uses less digits than its factorization.

275525085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 275525085 is about 16598.9483100587. The cubic root of 275525085 is about 650.7093518280.

The spelling of 275525085 in words is "two hundred seventy-five million, five hundred twenty-five thousand, eighty-five".

Divisors: 1 3 5 11 15 29 33 55 71 87 145 165 213 319 355 435 781 811 957 1065 1595 2059 2343 2433 3905 4055 4785 6177 8921 10295 11715 12165 22649 23519 26763 30885 44605 57581 67947 70557 113245 117595 133815 172743 258709 287905 339735 352785 633391 776127 863715 1293545 1669849 1900173 3166955 3880635 5009547 8349245 9500865 18368339 25047735 55105017 91841695 275525085