Base | Representation |
---|---|
bin | 100010001000011… |
… | …0000101101111101 |
3 | 2221210222110011111 |
4 | 1010100300231331 |
5 | 4321140311131 |
6 | 305350322021 |
7 | 40244263240 |
oct | 10420605575 |
9 | 2853873144 |
10 | 1145244541 |
11 | 5385081a1 |
12 | 27b659311 |
13 | 1533626bc |
14 | ac159257 |
15 | 6a821ab1 |
hex | 44430b7d |
1145244541 has 8 divisors (see below), whose sum is σ = 1324620864. Its totient is φ = 969810720.
The previous prime is 1145244533. The next prime is 1145244553. The reversal of 1145244541 is 1454425411.
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 1145244541 - 23 = 1145244533 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1145244521) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985000 + ... + 986161.
It is an arithmetic number, because the mean of its divisors is an integer number (165577608).
Almost surely, 21145244541 is an apocalyptic number.
It is an amenable number.
1145244541 is a deficient number, since it is larger than the sum of its proper divisors (179376323).
1145244541 is an equidigital number, since it uses as much as digits as its factorization.
1145244541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1971251.
The product of its digits is 12800, while the sum is 31.
The square root of 1145244541 is about 33841.4618626324. The cubic root of 1145244541 is about 1046.2434291047.
Adding to 1145244541 its reverse (1454425411), we get a palindrome (2599669952).
The spelling of 1145244541 in words is "one billion, one hundred forty-five million, two hundred forty-four thousand, five hundred forty-one".
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