Base | Representation |
---|---|
bin | 11011100010101… |
… | …11100011101011 |
3 | 121002202022122101 |
4 | 31301113203223 |
5 | 433121422410 |
6 | 34532034231 |
7 | 5503565422 |
oct | 1561274353 |
9 | 532668571 |
10 | 231045355 |
11 | 109467882 |
12 | 65462977 |
13 | 38b37038 |
14 | 229842b9 |
15 | 1543cd3a |
hex | dc578eb |
231045355 has 8 divisors (see below), whose sum is σ = 279371664. Its totient is φ = 183424800.
The previous prime is 231045323. The next prime is 231045361. The reversal of 231045355 is 553540132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231045355 - 25 = 231045323 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175716 + ... + 177025.
It is an arithmetic number, because the mean of its divisors is an integer number (34921458).
Almost surely, 2231045355 is an apocalyptic number.
231045355 is a deficient number, since it is larger than the sum of its proper divisors (48326309).
231045355 is a wasteful number, since it uses less digits than its factorization.
231045355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352877.
The product of its (nonzero) digits is 9000, while the sum is 28.
The square root of 231045355 is about 15200.1761502951. The cubic root of 231045355 is about 613.6193984618.
Adding to 231045355 its reverse (553540132), we get a palindrome (784585487).
It can be divided in two parts, 2310 and 45355, that multiplied together give a triangular number (104770050 = T14475).
The spelling of 231045355 in words is "two hundred thirty-one million, forty-five thousand, three hundred fifty-five".
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