Base | Representation |
---|---|
bin | 1101000000101… |
… | …1010001101111 |
3 | 10210200112220111 |
4 | 3100023101233 |
5 | 102432302033 |
6 | 5225400451 |
7 | 1231566313 |
oct | 320132157 |
9 | 123615814 |
10 | 54572143 |
11 | 2889394a |
12 | 16339127 |
13 | b3c9512 |
14 | 7367b43 |
15 | 4bce7cd |
hex | 340b46f |
54572143 has 2 divisors, whose sum is σ = 54572144. Its totient is φ = 54572142.
The previous prime is 54572131. The next prime is 54572179. The reversal of 54572143 is 34127545.
54572143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 54572143 - 29 = 54571631 is a prime.
It is a super-2 number, since 2×545721432 = 5956237583224898, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54570143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27286071 + 27286072.
It is an arithmetic number, because the mean of its divisors is an integer number (27286072).
Almost surely, 254572143 is an apocalyptic number.
54572143 is a deficient number, since it is larger than the sum of its proper divisors (1).
54572143 is an equidigital number, since it uses as much as digits as its factorization.
54572143 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16800, while the sum is 31.
The square root of 54572143 is about 7387.2960547145. The cubic root of 54572143 is about 379.3065446211.
Adding to 54572143 its reverse (34127545), we get a palindrome (88699688).
The spelling of 54572143 in words is "fifty-four million, five hundred seventy-two thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •