Base | Representation |
---|---|
bin | 110111000010… |
… | …1100100011101 |
3 | 2000022011122000 |
4 | 1232011210131 |
5 | 24341434103 |
6 | 2510312513 |
7 | 500203005 |
oct | 156054435 |
9 | 60264560 |
10 | 28858653 |
11 | 15320a2a |
12 | 97b8739 |
13 | 5c95635 |
14 | 3b93005 |
15 | 2800aa3 |
hex | 1b8591d |
28858653 has 16 divisors (see below), whose sum is σ = 42954240. Its totient is φ = 19148832.
The previous prime is 28858651. The next prime is 28858699. The reversal of 28858653 is 35685882.
It is a happy number.
It is not a de Polignac number, because 28858653 - 21 = 28858651 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28858599 and 28858608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28858651) 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 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 8417.
It is an arithmetic number, because the mean of its divisors is an integer number (2684640).
Almost surely, 228858653 is an apocalyptic number.
It is an amenable number.
28858653 is a deficient number, since it is larger than the sum of its proper divisors (14095587).
28858653 is a wasteful number, since it uses less digits than its factorization.
28858653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5025 (or 5019 counting only the distinct ones).
The product of its digits is 460800, while the sum is 45.
The square root of 28858653 is about 5372.0250371717. The cubic root of 28858653 is about 306.7317167982.
The spelling of 28858653 in words is "twenty-eight million, eight hundred fifty-eight thousand, six hundred fifty-three".
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