Base | Representation |
---|---|
bin | 11110010101101… |
… | …01110110000001 |
3 | 122201212221200021 |
4 | 33022311312001 |
5 | 1010123001400 |
6 | 41130453441 |
7 | 6210134110 |
oct | 1712656601 |
9 | 581787607 |
10 | 254500225 |
11 | 120727871 |
12 | 71294281 |
13 | 40959b65 |
14 | 25b2bc77 |
15 | 1752271a |
hex | f2b5d81 |
254500225 has 24 divisors (see below), whose sum is σ = 361296320. Its totient is φ = 174208320.
The previous prime is 254500219. The next prime is 254500229. The reversal of 254500225 is 522005452.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-254500225 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 254500225.
It is not an unprimeable number, because it can be changed into a prime (254500229) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149479 + ... + 151171.
Almost surely, 2254500225 is an apocalyptic number.
254500225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
254500225 is a deficient number, since it is larger than the sum of its proper divisors (106796095).
254500225 is a wasteful number, since it uses less digits than its factorization.
254500225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2569 (or 2564 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 25.
The square root of 254500225 is about 15953.0631854826. The cubic root of 254500225 is about 633.7180203717.
Adding to 254500225 its reverse (522005452), we get a palindrome (776505677).
The spelling of 254500225 in words is "two hundred fifty-four million, five hundred thousand, two hundred twenty-five".
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