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275027345 = 5612813209
BaseRepresentation
bin10000011001001…
…001010110010001
3201011111211120222
4100121021112101
51030401333340
643142442425
76546456665
oct2031112621
9634454528
10275027345
1113127812a
1278133415
1344c96198
14287528a5
15192298b5
hex10649591

275027345 has 16 divisors (see below), whose sum is σ = 336741840. Its totient is φ = 215577600.

The previous prime is 275027341. The next prime is 275027393. The reversal of 275027345 is 543720572.

It can be written as a sum of positive squares in 8 ways, for example, as 17007376 + 258019969 = 4124^2 + 16063^2 .

It is not a de Polignac number, because 275027345 - 22 = 275027341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275027341) 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 15 ways as a sum of consecutive naturals, for example, 84101 + ... + 87309.

It is an arithmetic number, because the mean of its divisors is an integer number (21046365).

Almost surely, 2275027345 is an apocalyptic number.

It is an amenable number.

275027345 is a deficient number, since it is larger than the sum of its proper divisors (61714495).

275027345 is a wasteful number, since it uses less digits than its factorization.

275027345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 275027345 is about 16583.9484140539. The cubic root of 275027345 is about 650.3172770586.

The spelling of 275027345 in words is "two hundred seventy-five million, twenty-seven thousand, three hundred forty-five".

Divisors: 1 5 61 281 305 1405 3209 16045 17141 85705 195749 901729 978745 4508645 55005469 275027345