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275485313 = 19313712641
BaseRepresentation
bin10000011010111…
…001001010000001
3201012101002210202
4100122321022001
51031011012223
643200334545
76553405115
oct2032711201
9635332722
10275485313
11131560214
1278314455
13450c677c
1428831745
15192ba428
hex106b9281

275485313 has 16 divisors (see below), whose sum is σ = 307453440. Its totient is φ = 245721600.

The previous prime is 275485279. The next prime is 275485319. The reversal of 275485313 is 313584572.

It is a cyclic number.

It is not a de Polignac number, because 275485313 - 214 = 275468929 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (275485319) 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, 15473 + ... + 28113.

It is an arithmetic number, because the mean of its divisors is an integer number (19215840).

Almost surely, 2275485313 is an apocalyptic number.

It is an amenable number.

275485313 is a deficient number, since it is larger than the sum of its proper divisors (31968127).

275485313 is a wasteful number, since it uses less digits than its factorization.

275485313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728.

The product of its digits is 100800, while the sum is 38.

The square root of 275485313 is about 16597.7502391137. The cubic root of 275485313 is about 650.6780403926.

The spelling of 275485313 in words is "two hundred seventy-five million, four hundred eighty-five thousand, three hundred thirteen".

Divisors: 1 19 31 37 589 703 1147 12641 21793 240179 391871 467717 7445549 8886623 14499227 275485313