Base | Representation |
---|---|
bin | 11011011110111… |
… | …00101101001001 |
3 | 121001210202101021 |
4 | 31233130231021 |
5 | 433004322103 |
6 | 34513152441 |
7 | 5466401362 |
oct | 1557345511 |
9 | 531722337 |
10 | 230542153 |
11 | 109153806 |
12 | 6525b721 |
13 | 389bbc9a |
14 | 22892b69 |
15 | 1538dbbd |
hex | dbdcb49 |
230542153 has 4 divisors (see below), whose sum is σ = 236773060. Its totient is φ = 224311248.
The previous prime is 230542063. The next prime is 230542171. The reversal of 230542153 is 351245032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 132987024 + 97555129 = 11532^2 + 9877^2 .
It is a cyclic number.
It is not a de Polignac number, because 230542153 - 221 = 228445001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230542453) 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, 3115398 + ... + 3115471.
It is an arithmetic number, because the mean of its divisors is an integer number (59193265).
Almost surely, 2230542153 is an apocalyptic number.
It is an amenable number.
230542153 is a deficient number, since it is larger than the sum of its proper divisors (6230907).
230542153 is an equidigital number, since it uses as much as digits as its factorization.
230542153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6230906.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 230542153 is about 15183.6146223487. The cubic root of 230542153 is about 613.1736000689.
Adding to 230542153 its reverse (351245032), we get a palindrome (581787185).
The spelling of 230542153 in words is "two hundred thirty million, five hundred forty-two thousand, one hundred fifty-three".
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