Base | Representation |
---|---|
bin | 10010010010010… |
… | …00010011000001 |
3 | 101200121221002101 |
4 | 21021020103001 |
5 | 303231410400 |
6 | 23115350401 |
7 | 3541530664 |
oct | 1111102301 |
9 | 350557071 |
10 | 153388225 |
11 | 79646931 |
12 | 43452401 |
13 | 25a17183 |
14 | 1652b6db |
15 | d6ed56a |
hex | 92484c1 |
153388225 has 9 divisors (see below), whose sum is σ = 190278217. Its totient is φ = 122661040.
The previous prime is 153388223. The next prime is 153388237. The reversal of 153388225 is 522883351.
The square root of 153388225 is 12385.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 2982529 + 150405696 = 1727^2 + 12264^2 .
It is not a de Polignac number, because 153388225 - 21 = 153388223 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (153388223) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60687 + ... + 63163.
Almost surely, 2153388225 is an apocalyptic number.
153388225 is the 12385-th square number.
153388225 is the 6193-rd centered octagonal number.
It is an amenable number.
153388225 is a deficient number, since it is larger than the sum of its proper divisors (36889992).
153388225 is an frugal number, since it uses more digits than its factorization.
153388225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4964 (or 2482 counting only the distinct ones).
The product of its digits is 57600, while the sum is 37.
The cubic root of 153388225 is about 535.3001198446.
Multiplying 153388225 by its product of digits (57600), we get a square (8835161760000 = 29724002).
The spelling of 153388225 in words is "one hundred fifty-three million, three hundred eighty-eight thousand, two hundred twenty-five".
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