Base | Representation |
---|---|
bin | 100000111110010… |
… | …110010010100111 |
3 | 1102112222020111202 |
4 | 200332112102213 |
5 | 2113110341033 |
6 | 130521153115 |
7 | 16465152065 |
oct | 4076262247 |
9 | 1375866452 |
10 | 553215143 |
11 | 2643037a8 |
12 | 13532b79b |
13 | 8a7c7a50 |
14 | 53689035 |
15 | 3387a8e8 |
hex | 20f964a7 |
553215143 has 4 divisors (see below), whose sum is σ = 595770168. Its totient is φ = 510660120.
The previous prime is 553215109. The next prime is 553215149. The reversal of 553215143 is 341512355.
553215143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 553215143 - 214 = 553198759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (553215149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21277493 + ... + 21277518.
It is an arithmetic number, because the mean of its divisors is an integer number (148942542).
Almost surely, 2553215143 is an apocalyptic number.
553215143 is a deficient number, since it is larger than the sum of its proper divisors (42555025).
553215143 is a wasteful number, since it uses less digits than its factorization.
553215143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42555024.
The product of its digits is 9000, while the sum is 29.
The square root of 553215143 is about 23520.5259932681. The cubic root of 553215143 is about 820.9146758478.
Adding to 553215143 its reverse (341512355), we get a palindrome (894727498).
The spelling of 553215143 in words is "five hundred fifty-three million, two hundred fifteen thousand, one hundred forty-three".
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