Base | Representation |
---|---|
bin | 1101000000100… |
… | …0101010101011 |
3 | 10210200000020111 |
4 | 3100020222223 |
5 | 102431431301 |
6 | 5225235151 |
7 | 1231523200 |
oct | 320105253 |
9 | 123600214 |
10 | 54561451 |
11 | 2888690a |
12 | 16332ab7 |
13 | b3c46a9 |
14 | 7363ca7 |
15 | 4bcb551 |
hex | 3408aab |
54561451 has 12 divisors (see below), whose sum is σ = 66230352. Its totient is φ = 44732688.
The previous prime is 54561443. The next prime is 54561491. The reversal of 54561451 is 15416545.
It is not a de Polignac number, because 54561451 - 23 = 54561443 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54561401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23080 + ... + 25333.
It is an arithmetic number, because the mean of its divisors is an integer number (5519196).
Almost surely, 254561451 is an apocalyptic number.
54561451 is a deficient number, since it is larger than the sum of its proper divisors (11668901).
54561451 is a wasteful number, since it uses less digits than its factorization.
54561451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48450 (or 48443 counting only the distinct ones).
The product of its digits is 12000, while the sum is 31.
The square root of 54561451 is about 7386.5723444640. The cubic root of 54561451 is about 379.2817712340.
Adding to 54561451 its reverse (15416545), we get a palindrome (69977996).
The spelling of 54561451 in words is "fifty-four million, five hundred sixty-one thousand, four hundred fifty-one".
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