Base | Representation |
---|---|
bin | 1101000111101… |
… | …1000101111101 |
3 | 10211112211011101 |
4 | 3101323011331 |
5 | 103041431031 |
6 | 5243253101 |
7 | 1235514505 |
oct | 321730575 |
9 | 124484141 |
10 | 55030141 |
11 | 29076a61 |
12 | 1651a191 |
13 | b529b1a |
14 | 7446a05 |
15 | 4c70361 |
hex | 347b17d |
55030141 has 4 divisors (see below), whose sum is σ = 55117984. Its totient is φ = 54942300.
The previous prime is 55030051. The next prime is 55030163. The reversal of 55030141 is 14103055.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 55030141 - 213 = 55021949 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 (55030741) 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, 42975 + ... + 44236.
It is an arithmetic number, because the mean of its divisors is an integer number (13779496).
Almost surely, 255030141 is an apocalyptic number.
It is an amenable number.
55030141 is a deficient number, since it is larger than the sum of its proper divisors (87843).
55030141 is an equidigital number, since it uses as much as digits as its factorization.
55030141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87842.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 55030141 is about 7418.2303145696. The cubic root of 55030141 is about 380.3647029596.
Adding to 55030141 its reverse (14103055), we get a palindrome (69133196).
The spelling of 55030141 in words is "fifty-five million, thirty thousand, one hundred forty-one".
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