Base | Representation |
---|---|
bin | 111101001000111… |
… | …010010110101101 |
3 | 2122111010022110112 |
4 | 331020322112231 |
5 | 4100042340344 |
6 | 245441145405 |
7 | 34263462065 |
oct | 7510722655 |
9 | 2574108415 |
10 | 1025746349 |
11 | 487009461 |
12 | 24762b265 |
13 | 134683004 |
14 | 9a3303a5 |
15 | 600b9c9e |
hex | 3d23a5ad |
1025746349 has 8 divisors (see below), whose sum is σ = 1054239360. Its totient is φ = 997641216.
The previous prime is 1025746343. The next prime is 1025746399. The reversal of 1025746349 is 9436475201.
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 1025746349 - 24 = 1025746333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025746343) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 91604 + ... + 102189.
It is an arithmetic number, because the mean of its divisors is an integer number (131779920).
Almost surely, 21025746349 is an apocalyptic number.
It is an amenable number.
1025746349 is a deficient number, since it is larger than the sum of its proper divisors (28493011).
1025746349 is an equidigital number, since it uses as much as digits as its factorization.
1025746349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193939.
The product of its (nonzero) digits is 181440, while the sum is 41.
The square root of 1025746349 is about 32027.2750792196. The cubic root of 1025746349 is about 1008.5094993586.
The spelling of 1025746349 in words is "one billion, twenty-five million, seven hundred forty-six thousand, three hundred forty-nine".
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