Base | Representation |
---|---|
bin | 100110110111111… |
… | …1110111011011011 |
3 | 10100220111121112202 |
4 | 1031233332323123 |
5 | 10132413033110 |
6 | 333234200415 |
7 | 44216264606 |
oct | 11557767333 |
9 | 3326447482 |
10 | 1304424155 |
11 | 60a34a1a1 |
12 | 304a2310b |
13 | 17a326918 |
14 | c535333d |
15 | 797b60a5 |
hex | 4dbfeedb |
1304424155 has 16 divisors (see below), whose sum is σ = 1576074144. Its totient is φ = 1036385280.
The previous prime is 1304424151. The next prime is 1304424167. The reversal of 1304424155 is 5514244031.
It is not a de Polignac number, because 1304424155 - 22 = 1304424151 is a prime.
It is a super-2 number, since 2×13044241552 = 3403044752294928050, which contains 22 as substring.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1304424151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645707 + ... + 647723.
It is an arithmetic number, because the mean of its divisors is an integer number (98504634).
Almost surely, 21304424155 is an apocalyptic number.
1304424155 is a deficient number, since it is larger than the sum of its proper divisors (271649989).
1304424155 is a wasteful number, since it uses less digits than its factorization.
1304424155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2846.
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 1304424155 is about 36116.8126362225. The cubic root of 1304424155 is about 1092.6295559275.
Adding to 1304424155 its reverse (5514244031), we get a palindrome (6818668186).
The spelling of 1304424155 in words is "one billion, three hundred four million, four hundred twenty-four thousand, one hundred fifty-five".
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