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245255 = 5181271
BaseRepresentation
bin111011111000000111
3110110102112
4323320013
530322010
65131235
72041013
oct737007
9413375
10245255
1115829a
12b9b1b
138782a
1465543
154ca05
hex3be07

245255 has 8 divisors (see below), whose sum is σ = 297024. Its totient is φ = 194400.

The previous prime is 245251. The next prime is 245257. The reversal of 245255 is 552542.

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

It is not a de Polignac number, because 245255 - 22 = 245251 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 245255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245251) 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 7 ways as a sum of consecutive naturals, for example, 770 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (37128).

2245255 is an apocalyptic number.

245255 is a deficient number, since it is larger than the sum of its proper divisors (51769).

245255 is a wasteful number, since it uses less digits than its factorization.

245255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 2000, while the sum is 23.

The square root of 245255 is about 495.2322687386. The cubic root of 245255 is about 62.5949490152.

Adding to 245255 its reverse (552542), we get a palindrome (797797).

The spelling of 245255 in words is "two hundred forty-five thousand, two hundred fifty-five".

Divisors: 1 5 181 271 905 1355 49051 245255