Base | Representation |
---|---|
bin | 101011000101000… |
… | …1100010010000101 |
3 | 10201201222122010112 |
4 | 1112022030102011 |
5 | 10430022343300 |
6 | 355234202405 |
7 | 50551436435 |
oct | 12612142205 |
9 | 3651878115 |
10 | 1445512325 |
11 | 681a54894 |
12 | 344123405 |
13 | 1a062534a |
14 | d9d9c2c5 |
15 | 86d84e35 |
hex | 5628c485 |
1445512325 has 12 divisors (see below), whose sum is σ = 1804469700. Its totient is φ = 1148645760.
The previous prime is 1445512297. The next prime is 1445512339. The reversal of 1445512325 is 5232155441.
It can be written as a sum of positive squares in 6 ways, for example, as 410346049 + 1035166276 = 20257^2 + 32174^2 .
It is not a de Polignac number, because 1445512325 - 224 = 1428735109 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1445512291 and 1445512300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190304 + ... + 197753.
It is an arithmetic number, because the mean of its divisors is an integer number (150372475).
Almost surely, 21445512325 is an apocalyptic number.
It is an amenable number.
1445512325 is a deficient number, since it is larger than the sum of its proper divisors (358957375).
1445512325 is a wasteful number, since it uses less digits than its factorization.
1445512325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388216 (or 388211 counting only the distinct ones).
The product of its digits is 24000, while the sum is 32.
The square root of 1445512325 is about 38019.8938057433. The cubic root of 1445512325 is about 1130.6823156217.
Adding to 1445512325 its reverse (5232155441), we get a palindrome (6677667766).
The spelling of 1445512325 in words is "one billion, four hundred forty-five million, five hundred twelve thousand, three hundred twenty-five".
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