Base | Representation |
---|---|
bin | 11000011101110… |
… | …01000001000111 |
3 | 112022011202211201 |
4 | 30032321001013 |
5 | 410014331101 |
6 | 32210443331 |
7 | 5041266430 |
oct | 1416710107 |
9 | 468152751 |
10 | 205230151 |
11 | a59354a5 |
12 | 58893547 |
13 | 33698a79 |
14 | 1d384487 |
15 | 1303de01 |
hex | c3b9047 |
205230151 has 8 divisors (see below), whose sum is σ = 238974624. Its totient is φ = 172592160.
The previous prime is 205230121. The next prime is 205230211. The reversal of 205230151 is 151032502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 205230151 - 25 = 205230119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205230101) 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, 276220 + ... + 276961.
It is an arithmetic number, because the mean of its divisors is an integer number (29871828).
Almost surely, 2205230151 is an apocalyptic number.
205230151 is a deficient number, since it is larger than the sum of its proper divisors (33744473).
205230151 is an equidigital number, since it uses as much as digits as its factorization.
205230151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553241.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 205230151 is about 14325.8560302692. The cubic root of 205230151 is about 589.8574308397.
Adding to 205230151 its reverse (151032502), we get a palindrome (356262653).
The spelling of 205230151 in words is "two hundred five million, two hundred thirty thousand, one hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •