Base | Representation |
---|---|
bin | 110101110010… |
… | …1000001011110 |
3 | 1222001202120111 |
4 | 1223211001132 |
5 | 24204413204 |
6 | 2444240234 |
7 | 461463550 |
oct | 153450136 |
9 | 58052514 |
10 | 28201054 |
11 | 14a11962 |
12 | 954007a |
13 | 5ac521b |
14 | 3a614d0 |
15 | 2720d04 |
hex | 1ae505e |
28201054 has 16 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 11449944.
The previous prime is 28201051. The next prime is 28201087. The reversal of 28201054 is 45010282.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28201051) 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, 52744 + ... + 53275.
It is an arithmetic number, because the mean of its divisors is an integer number (3180600).
Almost surely, 228201054 is an apocalyptic number.
28201054 is a deficient number, since it is larger than the sum of its proper divisors (22688546).
28201054 is a wasteful number, since it uses less digits than its factorization.
28201054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106047.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 28201054 is about 5310.4664578547. The cubic root of 28201054 is about 304.3839720506.
The spelling of 28201054 in words is "twenty-eight million, two hundred one thousand, fifty-four".
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