Base | Representation |
---|---|
bin | 11011011011111… |
… | …01010010100011 |
3 | 121001001220021101 |
4 | 31231331102203 |
5 | 432404320311 |
6 | 34500535231 |
7 | 5463153064 |
oct | 1555752243 |
9 | 531056241 |
10 | 230151331 |
11 | 108a07113 |
12 | 650b1517 |
13 | 388b3127 |
14 | 227d056b |
15 | 15312ec1 |
hex | db7d4a3 |
230151331 has 4 divisors (see below), whose sum is σ = 231675664. Its totient is φ = 228627000.
The previous prime is 230151319. The next prime is 230151373. The reversal of 230151331 is 133151032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230151331 - 27 = 230151203 is a prime.
It is a super-2 number, since 2×2301513312 = 105939270322143122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230151299 and 230151308.
It is not an unprimeable number, because it can be changed into a prime (230151391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761940 + ... + 762241.
It is an arithmetic number, because the mean of its divisors is an integer number (57918916).
Almost surely, 2230151331 is an apocalyptic number.
230151331 is a deficient number, since it is larger than the sum of its proper divisors (1524333).
230151331 is a wasteful number, since it uses less digits than its factorization.
230151331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1524332.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 230151331 is about 15170.7393030135. The cubic root of 230151331 is about 612.8269139737.
The spelling of 230151331 in words is "two hundred thirty million, one hundred fifty-one thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •