Base | Representation |
---|---|
bin | 110101111000… |
… | …1001001000111 |
3 | 1222011021200001 |
4 | 1223301021013 |
5 | 24213010240 |
6 | 2445302131 |
7 | 462061354 |
oct | 153611107 |
9 | 58137601 |
10 | 28250695 |
11 | 14a46190 |
12 | 9564947 |
13 | 5b119b5 |
14 | 3a7562b |
15 | 273089a |
hex | 1af1247 |
28250695 has 8 divisors (see below), whose sum is σ = 36982800. Its totient is φ = 20545920.
The previous prime is 28250689. The next prime is 28250707. The reversal of 28250695 is 59605282.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28250695 - 215 = 28217927 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 256770 + ... + 256879.
It is an arithmetic number, because the mean of its divisors is an integer number (4622850).
Almost surely, 228250695 is an apocalyptic number.
28250695 is a deficient number, since it is larger than the sum of its proper divisors (8732105).
28250695 is a wasteful number, since it uses less digits than its factorization.
28250695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 513665.
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 28250695 is about 5315.1382860656. The cubic root of 28250695 is about 304.5624649969.
The spelling of 28250695 in words is "twenty-eight million, two hundred fifty thousand, six hundred ninety-five".
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