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255701 = 2411061
BaseRepresentation
bin111110011011010101
3110222202102
4332123111
531140301
65251445
72113325
oct763325
9428672
10255701
11165126
12103b85
138c504
1469285
1550b6b
hex3e6d5

255701 has 4 divisors (see below), whose sum is σ = 257004. Its totient is φ = 254400.

The previous prime is 255679. The next prime is 255709. The reversal of 255701 is 107552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180625 + 75076 = 425^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 255701 - 26 = 255637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255701.

It is not an unprimeable number, because it can be changed into a prime (255709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (64251).

2255701 is an apocalyptic number.

It is an amenable number.

255701 is a deficient number, since it is larger than the sum of its proper divisors (1303).

255701 is a wasteful number, since it uses less digits than its factorization.

255701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 255701 is about 505.6688639812. The cubic root of 255701 is about 63.4713119839.

The spelling of 255701 in words is "two hundred fifty-five thousand, seven hundred one".

Divisors: 1 241 1061 255701