Base | Representation |
---|---|
bin | 1101000001111… |
… | …0110110100001 |
3 | 10210211121220001 |
4 | 3100132312201 |
5 | 102442333241 |
6 | 5231220001 |
7 | 1232352133 |
oct | 320366641 |
9 | 123747801 |
10 | 54652321 |
11 | 28939109 |
12 | 16377601 |
13 | b426b69 |
14 | 7389053 |
15 | 4be8431 |
hex | 341eda1 |
54652321 has 4 divisors (see below), whose sum is σ = 55422144. Its totient is φ = 53882500.
The previous prime is 54652313. The next prime is 54652343. The reversal of 54652321 is 12325645.
54652321 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12325645 = 5 ⋅2465129.
It is a cyclic number.
It is not a de Polignac number, because 54652321 - 23 = 54652313 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 54652321.
It is not an unprimeable number, because it can be changed into a prime (54652391) 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 in 3 ways as a sum of consecutive naturals, for example, 384805 + ... + 384946.
It is an arithmetic number, because the mean of its divisors is an integer number (13855536).
Almost surely, 254652321 is an apocalyptic number.
It is an amenable number.
54652321 is a deficient number, since it is larger than the sum of its proper divisors (769823).
54652321 is an equidigital number, since it uses as much as digits as its factorization.
54652321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769822.
The product of its digits is 7200, while the sum is 28.
The square root of 54652321 is about 7392.7208117174. The cubic root of 54652321 is about 379.4922141874.
Adding to 54652321 its reverse (12325645), we get a palindrome (66977966).
The spelling of 54652321 in words is "fifty-four million, six hundred fifty-two thousand, three hundred twenty-one".
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