Base | Representation |
---|---|
bin | 1100111110110… |
… | …1011101010101 |
3 | 10210110100100212 |
4 | 3033231131111 |
5 | 102414400010 |
6 | 5223015205 |
7 | 1230550241 |
oct | 317553525 |
9 | 123410325 |
10 | 54450005 |
11 | 28810105 |
12 | 1629a505 |
13 | b385a4c |
14 | 7335421 |
15 | 4ba8505 |
hex | 33ed755 |
54450005 has 8 divisors (see below), whose sum is σ = 65402424. Its totient is φ = 43518400.
The previous prime is 54450001. The next prime is 54450013. The reversal of 54450005 is 50005445.
It can be written as a sum of positive squares in 4 ways, for example, as 28826161 + 25623844 = 5369^2 + 5062^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54450005 - 22 = 54450001 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54450001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 10515.
It is an arithmetic number, because the mean of its divisors is an integer number (8175303).
Almost surely, 254450005 is an apocalyptic number.
It is an amenable number.
54450005 is a deficient number, since it is larger than the sum of its proper divisors (10952419).
54450005 is a wasteful number, since it uses less digits than its factorization.
54450005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10407.
The product of its (nonzero) digits is 2000, while the sum is 23.
The square root of 54450005 is about 7379.0246645475. The cubic root of 54450005 is about 379.0233577221.
The spelling of 54450005 in words is "fifty-four million, four hundred fifty thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •