Base | Representation |
---|---|
bin | 111101001000110… |
… | …110100100010110 |
3 | 2122111002112012001 |
4 | 331020312210112 |
5 | 4100041341323 |
6 | 245440545514 |
7 | 34263365626 |
oct | 7510664426 |
9 | 2574075161 |
10 | 1025730838 |
11 | 486aa8840 |
12 | 24762229a |
13 | 134678c32 |
14 | 9a328886 |
15 | 600b53ad |
hex | 3d236916 |
1025730838 has 8 divisors (see below), whose sum is σ = 1678468680. Its totient is φ = 466241280.
The previous prime is 1025730833. The next prime is 1025730857. The reversal of 1025730838 is 8380375201.
1025730838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×10257308383 (a number of 28 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1025730797 and 1025730806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025730833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23312043 + ... + 23312086.
It is an arithmetic number, because the mean of its divisors is an integer number (209808585).
Almost surely, 21025730838 is an apocalyptic number.
1025730838 is a deficient number, since it is larger than the sum of its proper divisors (652737842).
1025730838 is a wasteful number, since it uses less digits than its factorization.
1025730838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46624142.
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 1025730838 is about 32027.0329253273. The cubic root of 1025730838 is about 1008.5044158829.
The spelling of 1025730838 in words is "one billion, twenty-five million, seven hundred thirty thousand, eight hundred thirty-eight".
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