Base | Representation |
---|---|
bin | 1111100000011… |
… | …1111100111101 |
3 | 11112101120222121 |
4 | 3320013330331 |
5 | 113122404120 |
6 | 10242042541 |
7 | 1416603325 |
oct | 370077475 |
9 | 145346877 |
10 | 65044285 |
11 | 33796809 |
12 | 19949451 |
13 | 10624c57 |
14 | 88d2285 |
15 | 5a9c5aa |
hex | 3e07f3d |
65044285 has 8 divisors (see below), whose sum is σ = 78137856. Its totient is φ = 51978960.
The previous prime is 65044271. The next prime is 65044289. The reversal of 65044285 is 58244056.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 65044285 - 27 = 65044157 is a prime.
It is a super-2 number, since 2×650442852 = 8461518022322450, which contains 22 as substring.
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 65044285.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65044289) 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, 1609 + ... + 11518.
It is an arithmetic number, because the mean of its divisors is an integer number (9767232).
Almost surely, 265044285 is an apocalyptic number.
It is an amenable number.
65044285 is a deficient number, since it is larger than the sum of its proper divisors (13093571).
65044285 is a wasteful number, since it uses less digits than its factorization.
65044285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14123.
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 65044285 is about 8065.0037197760. The cubic root of 65044285 is about 402.1638668426.
The spelling of 65044285 in words is "sixty-five million, forty-four thousand, two hundred eighty-five".
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