Base | Representation |
---|---|
bin | 11000110100101… |
… | …01100000110111 |
3 | 112111211012111002 |
4 | 30122111200313 |
5 | 411301333310 |
6 | 32355033515 |
7 | 5105633606 |
oct | 1432254067 |
9 | 474735432 |
10 | 208230455 |
11 | a75a4694 |
12 | 5989b89b |
13 | 341a95b4 |
14 | 1d925a3d |
15 | 13432da5 |
hex | c695837 |
208230455 has 4 divisors (see below), whose sum is σ = 249876552. Its totient is φ = 166584360.
The previous prime is 208230427. The next prime is 208230457. The reversal of 208230455 is 554032802.
208230455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 208230455 - 26 = 208230391 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 (208230457) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20823041 + ... + 20823050.
It is an arithmetic number, because the mean of its divisors is an integer number (62469138).
Almost surely, 2208230455 is an apocalyptic number.
208230455 is a deficient number, since it is larger than the sum of its proper divisors (41646097).
208230455 is an equidigital number, since it uses as much as digits as its factorization.
208230455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41646096.
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 208230455 is about 14430.1924796588. The cubic root of 208230455 is about 592.7179540803.
The spelling of 208230455 in words is "two hundred eight million, two hundred thirty thousand, four hundred fifty-five".
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