Base | Representation |
---|---|
bin | 101000000110000… |
… | …0101001101101001 |
3 | 10110202111120111221 |
4 | 1100030011031221 |
5 | 10223402004421 |
6 | 341255222041 |
7 | 45224144524 |
oct | 12014051551 |
9 | 3422446457 |
10 | 1345344361 |
11 | 630459149 |
12 | 316677921 |
13 | 18595326a |
14 | ca965bbb |
15 | 7d19a841 |
hex | 50305369 |
1345344361 has 8 divisors (see below), whose sum is σ = 1357951680. Its totient is φ = 1332792912.
The previous prime is 1345344353. The next prime is 1345344379. The reversal of 1345344361 is 1634435431.
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 1345344361 - 23 = 1345344353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1345344061) 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, 35220 + ... + 62698.
It is an arithmetic number, because the mean of its divisors is an integer number (169743960).
Almost surely, 21345344361 is an apocalyptic number.
It is an amenable number.
1345344361 is a deficient number, since it is larger than the sum of its proper divisors (12607319).
1345344361 is a wasteful number, since it uses less digits than its factorization.
1345344361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27935.
The product of its digits is 51840, while the sum is 34.
The square root of 1345344361 is about 36678.9362032216. The cubic root of 1345344361 is about 1103.9375032994.
Adding to 1345344361 its reverse (1634435431), we get a palindrome (2979779792).
The spelling of 1345344361 in words is "one billion, three hundred forty-five million, three hundred forty-four thousand, three hundred sixty-one".
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