Base | Representation |
---|---|
bin | 11101001101100… |
… | …01010000100000 |
3 | 122002002112112012 |
4 | 32212301100200 |
5 | 1000212404011 |
6 | 40152052052 |
7 | 6033561512 |
oct | 1646612040 |
9 | 562075465 |
10 | 245044256 |
11 | 116359416 |
12 | 6a094028 |
13 | 3b9c8b02 |
14 | 24789bb2 |
15 | 167a5a8b |
hex | e9b1420 |
245044256 has 36 divisors (see below), whose sum is σ = 512497818. Its totient is φ = 115310592.
The previous prime is 245044253. The next prime is 245044279. The reversal of 245044256 is 652440542.
It can be written as a sum of positive squares in 3 ways, for example, as 239754256 + 5290000 = 15484^2 + 2300^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (245044253) 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 5 ways as a sum of consecutive naturals, for example, 4001 + ... + 22496.
Almost surely, 2245044256 is an apocalyptic number.
It is an amenable number.
245044256 is an abundant number, since it is smaller than the sum of its proper divisors (267453562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245044256 is a wasteful number, since it uses less digits than its factorization.
245044256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26541 (or 26516 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 32.
The square root of 245044256 is about 15653.8894847255. The cubic root of 245044256 is about 625.7701490562.
Adding to 245044256 its reverse (652440542), we get a palindrome (897484798).
The spelling of 245044256 in words is "two hundred forty-five million, forty-four thousand, two hundred fifty-six".
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