Base | Representation |
---|---|
bin | 1100111000001… |
… | …0111000000101 |
3 | 10202122011111222 |
4 | 3032002320011 |
5 | 102311412240 |
6 | 5205410125 |
7 | 1224051413 |
oct | 316027005 |
9 | 122564458 |
10 | 54013445 |
11 | 28542112 |
12 | 16109945 |
13 | b262125 |
14 | 72602b3 |
15 | 4b1deb5 |
hex | 3382e05 |
54013445 has 8 divisors (see below), whose sum is σ = 64888344. Its totient is φ = 43162624.
The previous prime is 54013423. The next prime is 54013459. The reversal of 54013445 is 54431045.
It can be written as a sum of positive squares in 4 ways, for example, as 8868484 + 45144961 = 2978^2 + 6719^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54013445 - 26 = 54013381 is a prime.
It is a Duffinian number.
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, 644 + ... + 10413.
It is an arithmetic number, because the mean of its divisors is an integer number (8111043).
Almost surely, 254013445 is an apocalyptic number.
It is an amenable number.
54013445 is a deficient number, since it is larger than the sum of its proper divisors (10874899).
54013445 is a wasteful number, since it uses less digits than its factorization.
54013445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12039.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 54013445 is about 7349.3839877911. The cubic root of 54013445 is about 378.0076820663.
The spelling of 54013445 in words is "fifty-four million, thirteen thousand, four hundred forty-five".
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