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255540341 = 728636043
BaseRepresentation
bin11110011101100…
…11110001110101
3122210211210110002
433032303301311
51010404242331
641205041045
76222025400
oct1716636165
9583753402
10255540341
11121278271
12716b6185
1340c32404
1425d1cd37
151767a9cb
hexf3b3c75

255540341 has 12 divisors (see below), whose sum is σ = 297654912. Its totient is φ = 218744568.

The previous prime is 255540301. The next prime is 255540343. The reversal of 255540341 is 143045552.

It is a de Polignac number, because none of the positive numbers 2k-255540341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255540343) 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, 39266 + ... + 45308.

It is an arithmetic number, because the mean of its divisors is an integer number (24804576).

Almost surely, 2255540341 is an apocalyptic number.

It is an amenable number.

255540341 is a deficient number, since it is larger than the sum of its proper divisors (42114571).

255540341 is an equidigital number, since it uses as much as digits as its factorization.

255540341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920 (or 6913 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 255540341 is about 15985.6292025056. The cubic root of 255540341 is about 634.5801601987.

Adding to 255540341 its reverse (143045552), we get a palindrome (398585893).

The spelling of 255540341 in words is "two hundred fifty-five million, five hundred forty thousand, three hundred forty-one".

Divisors: 1 7 49 863 6041 6043 42287 42301 296107 5215109 36505763 255540341