Base | Representation |
---|---|
bin | 10100000011011… |
… | …11110010010001 |
3 | 102201112222012222 |
4 | 22001233302101 |
5 | 321031330113 |
6 | 24405430425 |
7 | 4111634366 |
oct | 1201576221 |
9 | 381488188 |
10 | 168230033 |
11 | 86a63794 |
12 | 4840b415 |
13 | 28b127ca |
14 | 184b246d |
15 | eb80e08 |
hex | a06fc91 |
168230033 has 4 divisors (see below), whose sum is σ = 170534628. Its totient is φ = 165925440.
The previous prime is 168230021. The next prime is 168230039. The reversal of 168230033 is 330032861.
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 92313664 + 75916369 = 9608^2 + 8713^2 .
It is a cyclic number.
It is not a de Polignac number, because 168230033 - 224 = 151452817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 168229984 and 168230011.
It is not an unprimeable number, because it can be changed into a prime (168230039) 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 3 ways as a sum of consecutive naturals, for example, 1152188 + ... + 1152333.
It is an arithmetic number, because the mean of its divisors is an integer number (42633657).
Almost surely, 2168230033 is an apocalyptic number.
It is an amenable number.
168230033 is a deficient number, since it is larger than the sum of its proper divisors (2304595).
168230033 is an equidigital number, since it uses as much as digits as its factorization.
168230033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2304594.
The product of its (nonzero) digits is 2592, while the sum is 26.
The square root of 168230033 is about 12970.3520769484. The cubic root of 168230033 is about 552.0365631193.
Adding to 168230033 its reverse (330032861), we get a palindrome (498262894).
The spelling of 168230033 in words is "one hundred sixty-eight million, two hundred thirty thousand, thirty-three".
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