Base | Representation |
---|---|
bin | 100010011001101… |
… | …0100000011000001 |
3 | 2222110000121212022 |
4 | 1010303110003001 |
5 | 4331000132040 |
6 | 310312411225 |
7 | 40414256243 |
oct | 10463240301 |
9 | 2873017768 |
10 | 1154302145 |
11 | 542634317 |
12 | 2826a6b15 |
13 | 1551b4329 |
14 | ad436093 |
15 | 6b5106b5 |
hex | 44cd40c1 |
1154302145 has 4 divisors (see below), whose sum is σ = 1385162580. Its totient is φ = 923441712.
The previous prime is 1154302141. The next prime is 1154302169. The reversal of 1154302145 is 5412034511.
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 774675889 + 379626256 = 27833^2 + 19484^2 .
It is a cyclic number.
It is not a de Polignac number, because 1154302145 - 22 = 1154302141 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1154302141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115430210 + ... + 115430219.
It is an arithmetic number, because the mean of its divisors is an integer number (346290645).
Almost surely, 21154302145 is an apocalyptic number.
It is an amenable number.
1154302145 is a deficient number, since it is larger than the sum of its proper divisors (230860435).
1154302145 is an equidigital number, since it uses as much as digits as its factorization.
1154302145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230860434.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 1154302145 is about 33975.0223693819. The cubic root of 1154302145 is about 1048.9943947407.
Adding to 1154302145 its reverse (5412034511), we get a palindrome (6566336656).
The spelling of 1154302145 in words is "one billion, one hundred fifty-four million, three hundred two thousand, one hundred forty-five".
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