Base | Representation |
---|---|
bin | 100011111000111… |
… | …0001110100000001 |
3 | 10002220222021221220 |
4 | 1013301301310001 |
5 | 4431240401200 |
6 | 315254505253 |
7 | 41561540535 |
oct | 10761616401 |
9 | 3086867856 |
10 | 1204231425 |
11 | 568836991 |
12 | 297365229 |
13 | 162646497 |
14 | b5d11bc5 |
15 | 70ac44a0 |
hex | 47c71d01 |
1204231425 has 24 divisors (see below), whose sum is σ = 2055225600. Its totient is φ = 621537600.
The previous prime is 1204231423. The next prime is 1204231453. The reversal of 1204231425 is 5241324021.
It is not a de Polignac number, because 1204231425 - 21 = 1204231423 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1204231395 and 1204231404.
It is not an unprimeable number, because it can be changed into a prime (1204231421) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256650 + ... + 261299.
It is an arithmetic number, because the mean of its divisors is an integer number (85634400).
Almost surely, 21204231425 is an apocalyptic number.
1204231425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1204231425 is a deficient number, since it is larger than the sum of its proper divisors (850994175).
1204231425 is a wasteful number, since it uses less digits than its factorization.
1204231425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517993 (or 517988 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1204231425 is about 34702.0377643734. The cubic root of 1204231425 is about 1063.9061483847.
Adding to 1204231425 its reverse (5241324021), we get a palindrome (6445555446).
The spelling of 1204231425 in words is "one billion, two hundred four million, two hundred thirty-one thousand, four hundred twenty-five".
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