Base | Representation |
---|---|
bin | 101011000100001… |
… | …1100011111101101 |
3 | 10201201010101001000 |
4 | 1112020130133231 |
5 | 10424413220240 |
6 | 355220310513 |
7 | 50544521502 |
oct | 12610343755 |
9 | 3651111030 |
10 | 1445054445 |
11 | 68177187a |
12 | 343b42439 |
13 | 1a04c4b03 |
14 | d9cbd4a9 |
15 | 86ce4430 |
hex | 5621c7ed |
1445054445 has 32 divisors (see below), whose sum is σ = 2574599040. Its totient is φ = 769011840.
The previous prime is 1445054399. The next prime is 1445054449. The reversal of 1445054445 is 5444505441.
1445054445 is a `hidden beast` number, since 144 + 505 + 4 + 4 + 4 + 5 = 666.
It is not a de Polignac number, because 1445054445 - 212 = 1445050349 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1445054449) 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 31 ways as a sum of consecutive naturals, for example, 51585 + ... + 74505.
It is an arithmetic number, because the mean of its divisors is an integer number (80456220).
Almost surely, 21445054445 is an apocalyptic number.
1445054445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1445054445 is a deficient number, since it is larger than the sum of its proper divisors (1129544595).
1445054445 is a wasteful number, since it uses less digits than its factorization.
1445054445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23402 (or 23396 counting only the distinct ones).
The product of its (nonzero) digits is 128000, while the sum is 36.
The square root of 1445054445 is about 38013.8717444040. The cubic root of 1445054445 is about 1130.5629181635.
Adding to 1445054445 its reverse (5444505441), we get a palindrome (6889559886).
The spelling of 1445054445 in words is "one billion, four hundred forty-five million, fifty-four thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •