Base | Representation |
---|---|
bin | 11110011100000… |
… | …00101110101101 |
3 | 122210110011121210 |
4 | 33032000232231 |
5 | 1010331044440 |
6 | 41200345033 |
7 | 6220164651 |
oct | 1716005655 |
9 | 583404553 |
10 | 255331245 |
11 | 121145164 |
12 | 71615179 |
13 | 40b8b1a0 |
14 | 25ca6a61 |
15 | 17638a80 |
hex | f380bad |
255331245 has 32 divisors (see below), whose sum is σ = 465841152. Its totient is φ = 118305792.
The previous prime is 255331229. The next prime is 255331261. The reversal of 255331245 is 542133552.
It is an interprime number because it is at equal distance from previous prime (255331229) and next prime (255331261).
It is not a de Polignac number, because 255331245 - 24 = 255331229 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35197 + ... + 41826.
It is an arithmetic number, because the mean of its divisors is an integer number (14557536).
Almost surely, 2255331245 is an apocalyptic number.
It is an amenable number.
255331245 is a deficient number, since it is larger than the sum of its proper divisors (210509907).
255331245 is a wasteful number, since it uses less digits than its factorization.
255331245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77061.
The product of its digits is 18000, while the sum is 30.
The square root of 255331245 is about 15979.0877399181. The cubic root of 255331245 is about 634.4070311344.
Adding to 255331245 its reverse (542133552), we get a palindrome (797464797).
The spelling of 255331245 in words is "two hundred fifty-five million, three hundred thirty-one thousand, two hundred forty-five".
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