Base | Representation |
---|---|
bin | 100000011111111… |
… | …001000100110011 |
3 | 1101222221121112111 |
4 | 200133321010303 |
5 | 2104034344110 |
6 | 130034110151 |
7 | 16340250130 |
oct | 4037710463 |
9 | 1358847474 |
10 | 545231155 |
11 | 25a850267 |
12 | 13271b357 |
13 | 88c609b1 |
14 | 525ab587 |
15 | 32ceee8a |
hex | 207f9133 |
545231155 has 8 divisors (see below), whose sum is σ = 747745632. Its totient is φ = 373872768.
The previous prime is 545231143. The next prime is 545231231. The reversal of 545231155 is 551132545.
545231155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 545231155 - 211 = 545229107 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7788982 + ... + 7789051.
It is an arithmetic number, because the mean of its divisors is an integer number (93468204).
Almost surely, 2545231155 is an apocalyptic number.
545231155 is a deficient number, since it is larger than the sum of its proper divisors (202514477).
545231155 is a wasteful number, since it uses less digits than its factorization.
545231155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15578045.
The product of its digits is 15000, while the sum is 31.
The square root of 545231155 is about 23350.1853311703. The cubic root of 545231155 is about 816.9463836129.
The spelling of 545231155 in words is "five hundred forty-five million, two hundred thirty-one thousand, one hundred fifty-five".
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