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275261425 = 5289193641
BaseRepresentation
bin10000011010000…
…010011111110001
3201011221201200121
4100122002133301
51030431331200
643151450241
76551453305
oct2032023761
9634851617
10275261425
11131417a8a
1278226981
13450488aa
14287b3d05
1519273e1a
hex106827f1

275261425 has 24 divisors (see below), whose sum is σ = 347488920. Its totient is φ = 216268800.

The previous prime is 275261411. The next prime is 275261443. The reversal of 275261425 is 524162572.

It can be written as a sum of positive squares in 12 ways, for example, as 88228449 + 187032976 = 9393^2 + 13676^2 .

It is not a de Polignac number, because 275261425 - 29 = 275260913 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 429105 + ... + 429745.

It is an arithmetic number, because the mean of its divisors is an integer number (14478705).

Almost surely, 2275261425 is an apocalyptic number.

275261425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275261425 is a deficient number, since it is larger than the sum of its proper divisors (72227495).

275261425 is a wasteful number, since it uses less digits than its factorization.

275261425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 928 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 275261425 is about 16591.0043397017. The cubic root of 275261425 is about 650.5017230832.

The spelling of 275261425 in words is "two hundred seventy-five million, two hundred sixty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 89 193 445 641 965 2225 3205 4825 16025 17177 57049 85885 123713 285245 429425 618565 1426225 3092825 11010457 55052285 275261425