Base | Representation |
---|---|
bin | 110101100000… |
… | …0111000001110 |
3 | 1221210020111020 |
4 | 1223000320032 |
5 | 24140144011 |
6 | 2441135010 |
7 | 460306122 |
oct | 153007016 |
9 | 57706436 |
10 | 28053006 |
11 | 14920703 |
12 | 948a466 |
13 | 5a72a17 |
14 | 3a23582 |
15 | 26e2006 |
hex | 1ac0e0e |
28053006 has 32 divisors (see below), whose sum is σ = 60186240. Its totient is φ = 8689824.
The previous prime is 28053001. The next prime is 28053017. The reversal of 28053006 is 60035082.
It is a super-2 number, since 2×280530062 = 1573942291272072, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28053001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3721 + ... + 8363.
It is an arithmetic number, because the mean of its divisors is an integer number (1880820).
Almost surely, 228053006 is an apocalyptic number.
28053006 is an abundant number, since it is smaller than the sum of its proper divisors (32133234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28053006 is a wasteful number, since it uses less digits than its factorization.
28053006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4720.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 28053006 is about 5296.5088501767. The cubic root of 28053006 is about 303.8503923944.
Adding to 28053006 its reverse (60035082), we get a palindrome (88088088).
The spelling of 28053006 in words is "twenty-eight million, fifty-three thousand, six".
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