Base | Representation |
---|---|
bin | 1101000001011… |
… | …1010011110001 |
3 | 10210210001111202 |
4 | 3100113103301 |
5 | 102440341200 |
6 | 5230420545 |
7 | 1232163065 |
oct | 320272361 |
9 | 123701452 |
10 | 54621425 |
11 | 28917981 |
12 | 16361755 |
13 | b415a91 |
14 | 737baa5 |
15 | 4bde1d5 |
hex | 34174f1 |
54621425 has 12 divisors (see below), whose sum is σ = 71715276. Its totient is φ = 41126400.
The previous prime is 54621419. The next prime is 54621439. The reversal of 54621425 is 52412645.
54621425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 97969 + 54523456 = 313^2 + 7384^2 .
It is a de Polignac number, because none of the positive numbers 2k-54621425 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 63836 + ... + 64685.
It is an arithmetic number, because the mean of its divisors is an integer number (5976273).
Almost surely, 254621425 is an apocalyptic number.
It is an amenable number.
54621425 is a deficient number, since it is larger than the sum of its proper divisors (17093851).
54621425 is a wasteful number, since it uses less digits than its factorization.
54621425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128548 (or 128543 counting only the distinct ones).
The product of its digits is 9600, while the sum is 29.
The square root of 54621425 is about 7390.6308932323. The cubic root of 54621425 is about 379.4206893108.
The spelling of 54621425 in words is "fifty-four million, six hundred twenty-one thousand, four hundred twenty-five".
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