Base | Representation |
---|---|
bin | 101001110110100… |
… | …1001101100111001 |
3 | 10121212112010101011 |
4 | 1103231021230321 |
5 | 10334003021040 |
6 | 351203553521 |
7 | 46541510500 |
oct | 12355115471 |
9 | 3555463334 |
10 | 1404345145 |
11 | 660797325 |
12 | 33238b8a1 |
13 | 194c40478 |
14 | d4723837 |
15 | 834523ea |
hex | 53b49b39 |
1404345145 has 24 divisors (see below), whose sum is σ = 1980594504. Its totient is φ = 953035776.
The previous prime is 1404345113. The next prime is 1404345169. The reversal of 1404345145 is 5415434041.
It can be written as a sum of positive squares in 4 ways, for example, as 440118441 + 964226704 = 20979^2 + 31052^2 .
It is not a de Polignac number, because 1404345145 - 25 = 1404345113 is a prime.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 5782 + ... + 53311.
It is an arithmetic number, because the mean of its divisors is an integer number (82524771).
Almost surely, 21404345145 is an apocalyptic number.
It is an amenable number.
1404345145 is a deficient number, since it is larger than the sum of its proper divisors (576249359).
1404345145 is an equidigital number, since it uses as much as digits as its factorization.
1404345145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59209 (or 59202 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 31.
The square root of 1404345145 is about 37474.5933266793. The cubic root of 1404345145 is about 1119.8450957641.
Adding to 1404345145 its reverse (5415434041), we get a palindrome (6819779186).
The spelling of 1404345145 in words is "one billion, four hundred four million, three hundred forty-five thousand, one hundred forty-five".
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