Base | Representation |
---|---|
bin | 101011000100101… |
… | …1100001010011011 |
3 | 10201201121121202121 |
4 | 1112021130022123 |
5 | 10430000041402 |
6 | 355230042111 |
7 | 50546656006 |
oct | 12611341233 |
9 | 3651547677 |
10 | 1445315227 |
11 | 68192a7a4 |
12 | 344049337 |
13 | 1a0586715 |
14 | d9d4a53d |
15 | 86d46837 |
hex | 5625c29b |
1445315227 has 8 divisors (see below), whose sum is σ = 1457164800. Its totient is φ = 1433508480.
The previous prime is 1445315219. The next prime is 1445315279. The reversal of 1445315227 is 7225135441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1445315227 - 23 = 1445315219 is a prime.
It is a super-2 number, since 2×14453152272 = 4177872210796123058, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1445315192 and 1445315201.
It is not an unprimeable number, because it can be changed into a prime (1445312227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58899 + ... + 79747.
It is an arithmetic number, because the mean of its divisors is an integer number (182145600).
Almost surely, 21445315227 is an apocalyptic number.
1445315227 is a deficient number, since it is larger than the sum of its proper divisors (11849573).
1445315227 is a wasteful number, since it uses less digits than its factorization.
1445315227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21413.
The product of its digits is 33600, while the sum is 34.
The square root of 1445315227 is about 38017.3016796300. The cubic root of 1445315227 is about 1130.6309231503.
The spelling of 1445315227 in words is "one billion, four hundred forty-five million, three hundred fifteen thousand, two hundred twenty-seven".
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