Base | Representation |
---|---|
bin | 1101000011001… |
… | …0001001100101 |
3 | 10210222122022121 |
4 | 3100302021211 |
5 | 103002400430 |
6 | 5233025541 |
7 | 1233131443 |
oct | 320621145 |
9 | 123878277 |
10 | 54731365 |
11 | 28992537 |
12 | 163b52b1 |
13 | b453b30 |
14 | 73a9b93 |
15 | 4c11a7a |
hex | 3432265 |
54731365 has 8 divisors (see below), whose sum is σ = 70729848. Its totient is φ = 40416960.
The previous prime is 54731357. The next prime is 54731371. The reversal of 54731365 is 56313745.
It can be written as a sum of positive squares in 4 ways, for example, as 8259876 + 46471489 = 2874^2 + 6817^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54731365 - 23 = 54731357 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 54731365.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 420946 + ... + 421075.
It is an arithmetic number, because the mean of its divisors is an integer number (8841231).
Almost surely, 254731365 is an apocalyptic number.
It is an amenable number.
54731365 is a deficient number, since it is larger than the sum of its proper divisors (15998483).
54731365 is a wasteful number, since it uses less digits than its factorization.
54731365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 842039.
The product of its digits is 37800, while the sum is 34.
The square root of 54731365 is about 7398.0649497014. The cubic root of 54731365 is about 379.6750800580.
The spelling of 54731365 in words is "fifty-four million, seven hundred thirty-one thousand, three hundred sixty-five".
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