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255201 = 3257331
BaseRepresentation
bin111110010011100001
3110222001220
4332103201
531131301
65245253
72112012
oct762341
9428056
10255201
11164811
12103829
138c20b
1469009
1550936
hex3e4e1

255201 has 8 divisors (see below), whose sum is σ = 342624. Its totient is φ = 168960.

The previous prime is 255197. The next prime is 255209. The reversal of 255201 is 102552.

Adding to 255201 its reverse (102552), we get a palindrome (357753).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255201 - 22 = 255197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (42828).

2255201 is an apocalyptic number.

255201 is the 320-th centered pentagonal number.

It is an amenable number.

255201 is a deficient number, since it is larger than the sum of its proper divisors (87423).

255201 is a wasteful number, since it uses less digits than its factorization.

255201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 255201 is about 505.1742273711. The cubic root of 255201 is about 63.4299142005.

The spelling of 255201 in words is "two hundred fifty-five thousand, two hundred one".

Divisors: 1 3 257 331 771 993 85067 255201