Base | Representation |
---|---|
bin | 11010011110110… |
… | …111001101010101 |
3 | 1010222000200101001 |
4 | 122132313031111 |
5 | 1402220014234 |
6 | 112030503301 |
7 | 14003320435 |
oct | 3236671525 |
9 | 1128020331 |
10 | 444298069 |
11 | 208881796 |
12 | 104964b31 |
13 | 71081587 |
14 | 430162c5 |
15 | 29013d14 |
hex | 1a7b7355 |
444298069 has 4 divisors (see below), whose sum is σ = 444343500. Its totient is φ = 444252640.
The previous prime is 444298051. The next prime is 444298073. The reversal of 444298069 is 960892444.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 137592900 + 306705169 = 11730^2 + 17513^2 .
It is a cyclic number.
It is not a de Polignac number, because 444298069 - 25 = 444298037 is a prime.
It is a super-2 number, since 2×4442980692 = 394801548234257522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (444298079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342 + ... + 29839.
It is an arithmetic number, because the mean of its divisors is an integer number (111085875).
Almost surely, 2444298069 is an apocalyptic number.
It is an amenable number.
444298069 is a deficient number, since it is larger than the sum of its proper divisors (45431).
444298069 is a wasteful number, since it uses less digits than its factorization.
444298069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45430.
The product of its (nonzero) digits is 497664, while the sum is 46.
The square root of 444298069 is about 21078.3791834192. The cubic root of 444298069 is about 763.0590401418.
The spelling of 444298069 in words is "four hundred forty-four million, two hundred ninety-eight thousand, sixty-nine".
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