Base | Representation |
---|---|
bin | 11110011100000… |
… | …00111101111111 |
3 | 122210110012222000 |
4 | 33032000331333 |
5 | 1010331112343 |
6 | 41200353343 |
7 | 6220200546 |
oct | 1716007577 |
9 | 583405860 |
10 | 255332223 |
11 | 121145973 |
12 | 71615853 |
13 | 40b8b773 |
14 | 25ca715d |
15 | 17638ed3 |
hex | f380f7f |
255332223 has 32 divisors (see below), whose sum is σ = 397094400. Its totient is φ = 161840448.
The previous prime is 255332221. The next prime is 255332249. The reversal of 255332223 is 322233552.
It is not a de Polignac number, because 255332223 - 21 = 255332221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255332221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110011 + ... + 112307.
It is an arithmetic number, because the mean of its divisors is an integer number (12409200).
Almost surely, 2255332223 is an apocalyptic number.
255332223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
255332223 is a deficient number, since it is larger than the sum of its proper divisors (141762177).
255332223 is a wasteful number, since it uses less digits than its factorization.
255332223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2508 (or 2502 counting only the distinct ones).
The product of its digits is 10800, while the sum is 27.
The square root of 255332223 is about 15979.1183423867. The cubic root of 255332223 is about 634.4078411270.
Adding to 255332223 its reverse (322233552), we get a palindrome (577565775).
The spelling of 255332223 in words is "two hundred fifty-five million, three hundred thirty-two thousand, two hundred twenty-three".
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