Base | Representation |
---|---|
bin | 110000111101… |
… | …0110110111111 |
3 | 1210022010022202 |
4 | 1201322312333 |
5 | 23032402210 |
6 | 2314102115 |
7 | 431116616 |
oct | 141726677 |
9 | 53263282 |
10 | 25669055 |
11 | 135425a5 |
12 | 871a93b |
13 | 54198b9 |
14 | 35a287d |
15 | 23c09a5 |
hex | 187adbf |
25669055 has 8 divisors (see below), whose sum is σ = 30840912. Its totient is φ = 20509888.
The previous prime is 25669001. The next prime is 25669073. The reversal of 25669055 is 55096652.
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 25669055 - 212 = 25664959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072 + ... + 7458.
It is an arithmetic number, because the mean of its divisors is an integer number (3855114).
Almost surely, 225669055 is an apocalyptic number.
25669055 is a deficient number, since it is larger than the sum of its proper divisors (5171857).
25669055 is an equidigital number, since it uses as much as digits as its factorization.
25669055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6345.
The product of its (nonzero) digits is 81000, while the sum is 38.
The square root of 25669055 is about 5066.4637569018. The cubic root of 25669055 is about 294.9872827995.
The spelling of 25669055 in words is "twenty-five million, six hundred sixty-nine thousand, fifty-five".
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