Base | Representation |
---|---|
bin | 101011000100100… |
… | …0001111111110111 |
3 | 10201201102011202021 |
4 | 1112021001333313 |
5 | 10424433124210 |
6 | 355223454011 |
7 | 50546031364 |
oct | 12611017767 |
9 | 3651364667 |
10 | 1445208055 |
11 | 681867225 |
12 | 343bb7307 |
13 | 1a05499c5 |
14 | d9d1d46b |
15 | 86d24bda |
hex | 56241ff7 |
1445208055 has 4 divisors (see below), whose sum is σ = 1734249672. Its totient is φ = 1156166440.
The previous prime is 1445208043. The next prime is 1445208071. The reversal of 1445208055 is 5508025441.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5508025441 = 23 ⋅239479367.
It is not a de Polignac number, because 1445208055 - 213 = 1445199863 is a prime.
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 1445208055.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144520801 + ... + 144520810.
It is an arithmetic number, because the mean of its divisors is an integer number (433562418).
Almost surely, 21445208055 is an apocalyptic number.
1445208055 is a deficient number, since it is larger than the sum of its proper divisors (289041617).
1445208055 is an equidigital number, since it uses as much as digits as its factorization.
1445208055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289041616.
The product of its (nonzero) digits is 32000, while the sum is 34.
The square root of 1445208055 is about 38015.8921373680. The cubic root of 1445208055 is about 1130.6029765427.
The spelling of 1445208055 in words is "one billion, four hundred forty-five million, two hundred eight thousand, fifty-five".
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