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275494005 = 3256122089
BaseRepresentation
bin10000011010111…
…011010001110101
3201012101112201200
4100122323101311
51031011302010
643200443113
76553442343
oct2032732165
9635345650
10275494005
111315667a6
1278319499
13450ca707
1428834993
15192bccc0
hex106bb475

275494005 has 12 divisors (see below), whose sum is σ = 477523020. Its totient is φ = 146930112.

The previous prime is 275494001. The next prime is 275494019. The reversal of 275494005 is 500494572.

It can be written as a sum of positive squares in 2 ways, for example, as 69255684 + 206238321 = 8322^2 + 14361^2 .

It is not a de Polignac number, because 275494005 - 22 = 275494001 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275494001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3061000 + ... + 3061089.

It is an arithmetic number, because the mean of its divisors is an integer number (39793585).

Almost surely, 2275494005 is an apocalyptic number.

It is an amenable number.

275494005 is a deficient number, since it is larger than the sum of its proper divisors (202029015).

275494005 is a wasteful number, since it uses less digits than its factorization.

275494005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122100 (or 6122097 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 275494005 is about 16598.0120797643. The cubic root of 275494005 is about 650.6848836299.

The spelling of 275494005 in words is "two hundred seventy-five million, four hundred ninety-four thousand, five".

Divisors: 1 3 5 9 15 45 6122089 18366267 30610445 55098801 91831335 275494005