Base | Representation |
---|---|
bin | 11110000100010… |
… | …11101110100101 |
3 | 122120121122021210 |
4 | 33002023232211 |
5 | 1004032334230 |
6 | 41010102033 |
7 | 6151632036 |
oct | 1702135645 |
9 | 576548253 |
10 | 252230565 |
11 | 11a417614 |
12 | 7057a919 |
13 | 40343a72 |
14 | 256daa8d |
15 | 17224eb0 |
hex | f08bba5 |
252230565 has 32 divisors (see below), whose sum is σ = 417384576. Its totient is φ = 129981440.
The previous prime is 252230557. The next prime is 252230569. The reversal of 252230565 is 565032252.
It is not a de Polignac number, because 252230565 - 23 = 252230557 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 (252230569) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63889 + ... + 67721.
It is an arithmetic number, because the mean of its divisors is an integer number (13043268).
Almost surely, 2252230565 is an apocalyptic number.
It is an amenable number.
252230565 is a deficient number, since it is larger than the sum of its proper divisors (165154011).
252230565 is a wasteful number, since it uses less digits than its factorization.
252230565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3989.
The product of its (nonzero) digits is 18000, while the sum is 30.
The square root of 252230565 is about 15881.7683209396. The cubic root of 252230565 is about 631.8285374805.
The spelling of 252230565 in words is "two hundred fifty-two million, two hundred thirty thousand, five hundred sixty-five".
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