Base | Representation |
---|---|
bin | 11101001110111… |
… | …00111101010111 |
3 | 122002102122001210 |
4 | 32213130331113 |
5 | 1000234121010 |
6 | 40155552503 |
7 | 6035235414 |
oct | 1647347527 |
9 | 562378053 |
10 | 245223255 |
11 | 116470952 |
12 | 6a15b733 |
13 | 3ba5c424 |
14 | 247d510b |
15 | 167ddb20 |
hex | e9dcf57 |
245223255 has 32 divisors (see below), whose sum is σ = 403381440. Its totient is φ = 127134720.
The previous prime is 245223247. The next prime is 245223257. The reversal of 245223255 is 552322542.
It is not a de Polignac number, because 245223255 - 23 = 245223247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245223257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228861 + ... + 229929.
It is an arithmetic number, because the mean of its divisors is an integer number (12605670).
Almost surely, 2245223255 is an apocalyptic number.
245223255 is a deficient number, since it is larger than the sum of its proper divisors (158158185).
245223255 is a wasteful number, since it uses less digits than its factorization.
245223255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1491.
The product of its digits is 24000, while the sum is 30.
The square root of 245223255 is about 15659.6058379513. The cubic root of 245223255 is about 625.9224820398.
Adding to 245223255 its reverse (552322542), we get a palindrome (797545797).
The spelling of 245223255 in words is "two hundred forty-five million, two hundred twenty-three thousand, two hundred fifty-five".
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