Base | Representation |
---|---|
bin | 110000000111… |
… | …1111000100111 |
3 | 1202110212021022 |
4 | 1200033320213 |
5 | 22424342022 |
6 | 2300441355 |
7 | 424313303 |
oct | 140177047 |
9 | 52425238 |
10 | 25230887 |
11 | 13273380 |
12 | 854925b |
13 | 52c5326 |
14 | 34cad03 |
15 | 2335c42 |
hex | 180fe27 |
25230887 has 8 divisors (see below), whose sum is σ = 27567120. Its totient is φ = 22901760.
The previous prime is 25230851. The next prime is 25230893. The reversal of 25230887 is 78803252.
It is a happy number.
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 25230887 - 220 = 24182311 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25230817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8039 + ... + 10727.
It is an arithmetic number, because the mean of its divisors is an integer number (3445890).
Almost surely, 225230887 is an apocalyptic number.
25230887 is a deficient number, since it is larger than the sum of its proper divisors (2336233).
25230887 is a wasteful number, since it uses less digits than its factorization.
25230887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3553.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 25230887 is about 5023.0356359476. The cubic root of 25230887 is about 293.2991737368.
The spelling of 25230887 in words is "twenty-five million, two hundred thirty thousand, eight hundred eighty-seven".
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